APA (7th ed.) Citation

Cruz, C. L. (1995). Introduction to logic (4th ed.). National Book Store.

Chicago Style (17th ed.) Citation

Cruz, Corazon L. Introduction to Logic. 4th ed. Mandaluyong City: National Book Store, 1995.

MLA (9th ed.) Citation

Cruz, Corazon L. Introduction to Logic. 4th ed. National Book Store, 1995.