APA (7th ed.) Citation

James, W. O., & Clapham, A. R. (1935). The biology of flowers / by W.O.James and A.R. Clapham. OUP.

Chicago Style (17th ed.) Citation

James, W. O., and A. R. Clapham. The Biology of Flowers / by W.O.James and A.R. Clapham. OUP, 1935.

MLA (9th ed.) Citation

James, W. O., and A. R. Clapham. The Biology of Flowers / by W.O.James and A.R. Clapham. OUP, 1935.

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