APA ציטוט

Shapo, M. S. (1979). A nation of guinea pigs. New York: The Free Press.

Trích dẫn kiểu Chicago

Shapo, Marshall S. A Nation of Guinea Pigs. New York: The Free Press, 1979.

ציטוט MLA

Shapo, Marshall S. A Nation of Guinea Pigs. New York: The Free Press, 1979.