Cita APA (7a ed.)

Sikes, J. G. (1965). Peter Abailard. Russell & Russell.

Cita Chicago Style (17a ed.)

Sikes, Jeffrey Garrett. Peter Abailard. New York: Russell & Russell, 1965.

Cita MLA (9a ed.)

Sikes, Jeffrey Garrett. Peter Abailard. Russell & Russell, 1965.