APA (7th ed.) Citation

Que Corporation. (1987). Using 1-2-3 (Special ed.). Jemma, Inc.

Chicago Style (17th ed.) Citation

Que Corporation. Using 1-2-3. Special ed. Cainta, Rizal: Jemma, Inc, 1987.

MLA (9th ed.) Citation

Que Corporation. Using 1-2-3. Special ed. Jemma, Inc, 1987.