American Psychological Association 6th edition

Wang, Z. (n.d.). Tree enumeration and tree algorithm complexity computation.

ISO-690 (author-date, English)

WANG, Zhenyu, [no date]. Tree enumeration and tree algorithm complexity computation. .

Modern Language Association 9th edition

Wang, Z. Tree Enumeration and Tree Algorithm Complexity Computation.

Mohr Siebeck - Recht (Deutsch - Österreich)

Wang, Zhenyu: Tree enumeration and tree algorithm complexity computation,

Emerald - Harvard

Wang, Z. (n.d.). “Tree enumeration and tree algorithm complexity computation”.

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