Gaya APA

Samuel, G, A., Claiborne, R. (1971). LIFE SCIENCE LIBRARY: Time (Cetakan 1). New York: Time Life Books.

Gaya MLA

Samuel, Goudsmit, A.,., Claiborne, Robert. "LIFE SCIENCE LIBRARY: Time". Cetakan 1 New York: Time Life Books, 1971. Text.