APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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