Cita APA (7th ed.)
Purdy, J. (1968). Eustace Chisholm and the works. Bantam.
Cita Chicago (17th ed.)
Purdy, James. Eustace Chisholm and the Works. New York: Bantam, 1968.
Cita MLA (9th ed.)
Purdy, James. Eustace Chisholm and the Works. Bantam, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.