Gaya APA

Simpson, G, G., Beck, W, S. (1965). Life: an introduction to biology (2nd ed). New York: Harcourt Brace & World, Inc..

Gaya MLA

Simpson, George, Gaylord.., Beck, William, S.. "Life: an introduction to biology". 2nd ed New York: Harcourt Brace & World, Inc., 1965. Printed Book.