Cita APA (7a ed.)
Ralph, P. L. (1973). The renaissance in perspective. St. Martin press.
Cita Chicago Style (17a ed.)
Ralph, Philip Lee. The Renaissance in Perspective. New York: St. Martin press, 1973.
Cita MLA (9a ed.)
Ralph, Philip Lee. The Renaissance in Perspective. St. Martin press, 1973.
Precaución: Estas citas no son 100% exactas.