Cita APA (7a ed.)
Heiner, D., & Brook, E. (Nov 1990). Public Domain and Shareware Programs: An LLRC Fact Sheet. PAM Repeater.
Cita Chicago Style (17a ed.)
Heiner, Donna, y Emily Brook. "Public Domain and Shareware Programs: An LLRC Fact Sheet." PAM Repeater Nov 1990.
Cita MLA (9a ed.)
Heiner, Donna, y Emily Brook. "Public Domain and Shareware Programs: An LLRC Fact Sheet." PAM Repeater, Nov 1990.
Precaución: Estas citas no son 100% exactas.