Cita APA (7a ed.)
Gonzalez, J., & Williams, R. (1991). Keyboarding with WordPerfect 5.1. Mitchell McGraw-Hill.
Cita Chicago Style (17a ed.)
Gonzalez, Jean, y Ric Williams. Keyboarding with WordPerfect 5.1. New York: Mitchell McGraw-Hill, 1991.
Cita MLA (9a ed.)
Gonzalez, Jean, y Ric Williams. Keyboarding with WordPerfect 5.1. Mitchell McGraw-Hill, 1991.
Precaución: Estas citas no son 100% exactas.