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Guides & Tutorial, Pao-yue Kong Library, The Polytechnic University of Hong Kong

Citation Guides: by Subjects

What is a Citation?

A reference providing information about where a particular quotation, text, etc., is to be found; a bibliographical reference.  [Oxford English Dictionary]

In general, citations help readers to locate your sources of information, as well as avoid plagiarism.

Need Help?

Information Consultancy Service
Contact your Faculty Librarians  for advice on identifying and using of various library and online resources.

Subject Specific Tailor-Made Library Instruction
Please check out our scalable Library Instruction Programme.

Information Desk Service
Visit our duty librarian at the Research Help Desk, Research Enhancement Centre, 3/F, Library.

Telephone Enquiry Service
Call us at 2766-6863.

WhatsApp Enquiry Service 
Contact us at 6423-0820. 9:00 am - 7:00 pm (Mon - Sat) and
12:00 nn - 7:00 pm (Sun/public holidays when Library opens)

Online Reference Enquiry Service
The Online Reference Enquiry Service helps you in using library and information resources for your study and research.  We will respond to your enquiry within 1 working day.

How do I Avoid Plagiarism?

“Plagiarism, the act of taking the writings of another person and passing them off as one’s own.”
Plagiarism. (2016). In Encyclopædia Britannica.
Retrieved from

To avoid plagiarism, there are a few things you can do:

  • Be familiar with your own topic of writing.
  • ​Keep a list of all the reference materials you consulted and of course make notes.
  • ​You may quote, rephrase, summarize, etc. in your work, but make sure you cite all your sources properly (both in-text and in the bibliography part)

Tools and tips

1. Say "no" to plagiarism

2. Interactive tutorial to understand the importance and mechanics of avoiding plagiarism through proper citing. 

3. Turnitin or SafeAssign (access via learn@PolyU)

4. Other freeware for plagiarism detection 


Information Services

Contact Information

Information Services


Tel: 2766-6863

Addr: Research Enhancement
Centre. L301, Library