Cita APA (7th ed.)

Scientific American. (1955). Twentieth-century bestiary. Simon & Schuster.

Cita Chicago (17th ed.)

Scientific American. Twentieth-century Bestiary. Nueva York: Simon & Schuster, 1955.

Cita MLA (9th ed.)

Scientific American. Twentieth-century Bestiary. Simon & Schuster, 1955.