APA (7th ed.) Citation

Thomas, N. L. (1966). Modern logic: An introduction. National Book Store.

Chicago Style (17th ed.) Citation

Thomas, Norman L. Modern Logic: An Introduction. [Manila]: National Book Store, 1966.

MLA (9th ed.) Citation

Thomas, Norman L. Modern Logic: An Introduction. National Book Store, 1966.

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