Cita APA (7th ed.)
Ralph, P. L. (1973). The renaissance in perspective. St. Martin press.
Cita Chicago (17th ed.)
Ralph, Philip Lee. The Renaissance in Perspective. New York: St. Martin press, 1973.
Cita MLA (9th ed.)
Ralph, Philip Lee. The Renaissance in Perspective. St. Martin press, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.