APA (7th ed.) Citation

Plenn, A. (1949). Upon this continent: A new chronicle of America. Creative Age Press.

Chicago Style (17th ed.) Citation

Plenn, Abel. Upon This Continent: A New Chronicle of America. New York: Creative Age Press, 1949.

MLA (9th ed.) Citation

Plenn, Abel. Upon This Continent: A New Chronicle of America. Creative Age Press, 1949.

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