APA Citation

Beer, G. d. (1940). Embryos and ancestors. Oxford: The Clarendon Press.

Chicago Style Citation

Beer, Gavin de. Embryos and Ancestors. Oxford: The Clarendon Press, 1940.

MLA Citation

Beer, Gavin de. Embryos and Ancestors. Oxford: The Clarendon Press, 1940.

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