APA (7th ed.) Citation

Raunkir, C., & Gilbert-Carter, H. (1937). Plant life forms. The Clarendon press.

Chicago Style (17th ed.) Citation

Raunkir, C., and Humphrey Gilbert-Carter. Plant Life Forms. Oxford: The Clarendon press, 1937.

MLA (9th ed.) Citation

Raunkir, C., and Humphrey Gilbert-Carter. Plant Life Forms. The Clarendon press, 1937.