APA (7th ed.) Citation

Chao, K. T., & Weakland, J. (1982). Secret techniques of Wing Chun Kung Fu. K.T. Chao & John Weakland (2nd ed.). Paul Crompton.

Chicago Style (17th ed.) Citation

Chao, K. T., and John Weakland. Secret Techniques of Wing Chun Kung Fu. K.T. Chao & John Weakland. 2nd ed. London: Paul Crompton, 1982.

MLA (9th ed.) Citation

Chao, K. T., and John Weakland. Secret Techniques of Wing Chun Kung Fu. K.T. Chao & John Weakland. 2nd ed. Paul Crompton, 1982.

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