APA (7th ed.) Citation

Bullough, W. S. (1961). Vertebrate reproductive cycles ([2d ed.].). Methuen.

Chicago Style (17th ed.) Citation

Bullough, William Sydney. Vertebrate Reproductive Cycles. [2d ed.]. London: Methuen, 1961.

MLA (8th ed.) Citation

Bullough, William Sydney. Vertebrate Reproductive Cycles. [2d ed.]. Methuen, 1961.