Cita APA (7th ed.)

London, K. R. (1974). Documentation standards (Revised ed.). Petrocelli Books.

Cita Chicago (17th ed.)

London, Keith R. Documentation Standards. Revised ed. New York: Petrocelli Books, 1974.

Cita MLA (9th ed.)

London, Keith R. Documentation Standards. Revised ed. Petrocelli Books, 1974.