APA (7th ed.) Citation

Quan, Y., & Wang, C. Collapsing or Not? A Practical Guide to Handling Sparse Responses for Polytomous Items. PsychOpen GOLD/ Leibniz Institute for Psychology.

Chicago Style (17th ed.) Citation

Quan, Yale, and Chun Wang. Collapsing or Not? A Practical Guide to Handling Sparse Responses for Polytomous Items. PsychOpen GOLD/ Leibniz Institute for Psychology.

MLA (9th ed.) Citation

Quan, Yale, and Chun Wang. Collapsing or Not? A Practical Guide to Handling Sparse Responses for Polytomous Items. PsychOpen GOLD/ Leibniz Institute for Psychology.

Warning: These citations may not always be 100% accurate.