APA Style

SIMPSON, G, G., Beck, W, S. (1965). Life An Introduction to BIOLOGY (kedua). New York: Harcout, Brace & World,Inc.

MLA Style

SIMPSON, GEORGE, GAYLORD., Beck, William, S.. "Life An Introduction to BIOLOGY". kedua New York: Harcout, Brace & World,Inc, 1965. Text.