APA (7th ed.) Citation

Pu, M., & Drake, H. A. (2017). Introduction.

Chicago Style (17th ed.) Citation

Pu, Muzhou, and H. A. Drake. Introduction. 2017.

MLA (9th ed.) Citation

Pu, Muzhou, and H. A. Drake. Introduction. 2017.

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