APA (7th ed.) Citation

Cheng, Z. (2016). The chord index, its definitions, applications and generalizations.

Chicago Style (17th ed.) Citation

Cheng, Zhiyun. The Chord Index, Its Definitions, Applications and Generalizations. 2016.

MLA (9th ed.) Citation

Cheng, Zhiyun. The Chord Index, Its Definitions, Applications and Generalizations. 2016.

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