Cita APA (7th ed.)

Stewart, G. R., & Raisz, E. (1953). U.S. 40: Cross section of the United States of America. Houghton Mifflin.

Cita Chicago (17th ed.)

Stewart, George Rippey, i Erwin Raisz. U.S. 40: Cross Section of the United States of America. Boston, Mass.: Houghton Mifflin, 1953.

Cita MLA (8th ed.)

Stewart, George Rippey, i Erwin Raisz. U.S. 40: Cross Section of the United States of America. Houghton Mifflin, 1953.