APA (7th ed.) Citation

Martinez, S. T. (1980). Logic: A textbook in deductive reasoning. Alemar-Phoenix.

Chicago Style (17th ed.) Citation

Martinez, Salvador T. Logic: A Textbook in Deductive Reasoning. Quezon City: Alemar-Phoenix, 1980.

MLA (9th ed.) Citation

Martinez, Salvador T. Logic: A Textbook in Deductive Reasoning. Alemar-Phoenix, 1980.