APA (7th ed.) Citation

Hamblin, C. L. (1967). Elementary formal logic: A programmed course. Methuen.

Chicago Style (17th ed.) Citation

Hamblin, C. L. Elementary Formal Logic: A Programmed Course. London: Methuen, 1967.

MLA (8th ed.) Citation

Hamblin, C. L. Elementary Formal Logic: A Programmed Course. Methuen, 1967.

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