Cita APA (7th ed.)

(1965). Questions and answers from the book of knowledge. Pocket Books.

Cita Chicago (17th ed.)

Questions and Answers from the Book of Knowledge. New York: Pocket Books, 1965.

Cita MLA (9th ed.)

Questions and Answers from the Book of Knowledge. Pocket Books, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.