APA (7th ed.) Citation

Gast, I. M. (1946). Foundation stones of American history. Davis.

Chicago Style (17th ed.) Citation

Gast, Ira Morris. Foundation Stones of American History. Philadelphia, [Pa.]: Davis, 1946.

MLA (9th ed.) Citation

Gast, Ira Morris. Foundation Stones of American History. Davis, 1946.