Cita APA (7th ed.)

Alfieri, V. (1988). The best book of WordPerfect 5.0. Hayden Books.

Cita Chicago (17th ed.)

Alfieri, Vincent. The Best Book of WordPerfect 5.0. Carmel, IN: Hayden Books, 1988.

Cita MLA (9th ed.)

Alfieri, Vincent. The Best Book of WordPerfect 5.0. Hayden Books, 1988.