Cita APA (7th ed.)
Sharp, E. (1965). A parent's guide to the new mathematics (1a. ed.). Pocket Books, Inc..
Cita Chicago (17th ed.)
Sharp, Evelyn. A Parent's Guide to the New Mathematics. 1a. ed. New York: Pocket Books, Inc., 1965.
Cita MLA (9th ed.)
Sharp, Evelyn. A Parent's Guide to the New Mathematics. 1a. ed. Pocket Books, Inc., 1965.
Atenció: Aquestes cites poden no estar 100% correctes.