APA (7th ed.) Citation

Betz, W. (1944). Basic mathematics, a self-teaching course. Published for the United States Arned Forces Institute by Ginn.

Chicago Style (17th ed.) Citation

Betz, William. Basic Mathematics, a Self-teaching Course. Madison, WI: Published for the United States Arned Forces Institute by Ginn, 1944.

MLA (9th ed.) Citation

Betz, William. Basic Mathematics, a Self-teaching Course. Published for the United States Arned Forces Institute by Ginn, 1944.