APA (7th ed.) Citation

Alfieri. (1989). The best book of wordPerfect 5.1 (2nd ed.). Hyden Books.

Chicago Style (17th ed.) Citation

Alfieri. The Best Book of WordPerfect 5.1. 2nd ed. carmel, IN, USA: Hyden Books, 1989.

MLA (8th ed.) Citation

Alfieri. The Best Book of WordPerfect 5.1. 2nd ed. Hyden Books, 1989.

Warning: These citations may not always be 100% accurate.