APA (7th ed.) Citation

Stewart, G. R. (1953). U. S. 40; cross section of the United States of America. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Stewart, George R. U. S. 40; Cross Section of the United States of America. Boston: Houghton Mifflin, 1953.

MLA (9th ed.) Citation

Stewart, George R. U. S. 40; Cross Section of the United States of America. Houghton Mifflin, 1953.