APA (7th ed.) Citation

Wirth, F. P. (1939). The development of America. American Book.

Chicago Style (17th ed.) Citation

Wirth, Fremont Philip. The Development of America. Boston: American Book, 1939.

MLA (9th ed.) Citation

Wirth, Fremont Philip. The Development of America. American Book, 1939.

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