Cita APA (7a ed.)

McBryde, F. W., & Thomas, P. D. (1949). Equal-area projections for world stastical maps. U.S. Govt. Print. Office.

Cita Chicago Style (17a ed.)

McBryde, F. Webster, y P. D. Thomas. Equal-area Projections for World Stastical Maps. Washington: U.S. Govt. Print. Office, 1949.

Cita MLA (8a ed.)

McBryde, F. Webster, y P. D. Thomas. Equal-area Projections for World Stastical Maps. U.S. Govt. Print. Office, 1949.