Franklin

MLA

Mayer, Fred Sidney. Why Two Worlds?. [1st AMS ed.] New York: AMS Press, 1972.

APA

Mayer, F. Sidney. (1972). Why two worlds?. [1st AMS ed.] New York: AMS Press.

Chicago

Mayer, Fred Sidney. Why Two Worlds?. [1st AMS ed.] New York: AMS Press, 1972.