Cita APA

R.F McGraw, & Sierra Madre. (1961). The book of popular science: 6. New York: Grolier Incorporated.

Chicago Style Citation

R.F McGraw, i Sierra Madre. The Book of Popular Science: 6. New York: Grolier Incorporated, 1961.

Cita MLA

R.F McGraw, i Sierra Madre. The Book of Popular Science: 6. New York: Grolier Incorporated, 1961.

Atenció: Aquestes cites poden no estar 100% correctes.