APA Citation

Simpson, G. G. (1965). Life, an introduction to biology. Harcourt, Brace r World.

Chicago Style Citation

Simpson, George Gaylord. Life, an Introduction to Biology. Harcourt, Brace r World, 1965.

MLA Citation

Simpson, George Gaylord. Life, an Introduction to Biology. Harcourt, Brace r World, 1965.

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