Cita APA (7th ed.)

(1959). The book of popular science. Grolier Society.

Cita Chicago (17th ed.)

The Book of Popular Science. New York: Grolier Society, 1959.

Cita MLA (9th ed.)

The Book of Popular Science. Grolier Society, 1959.

Atenció: Aquestes cites poden no estar 100% correctes.