Cita APA (7th ed.)

Reisner, T. (1992). Harvard Graphics 3 quick reference.

Cita Chicago (17th ed.)

Reisner, Trudi. Harvard Graphics 3 Quick Reference. Que Corporation, 1992.

Cita MLA (9th ed.)

Reisner, Trudi. Harvard Graphics 3 Quick Reference. 1992.