APA (7th ed.) Citation

Carls, N., Sorenson, F. E., & Howard, M. D. (1962). Our United States in a world of neighbors (Rev ed.). Winston.

Chicago Style (17th ed.) Citation

Carls, Norman, Frank E. Sorenson, and Margery D. Howard. Our United States in a World of Neighbors. Rev ed. Phildelphia, J.C: Winston, 1962.

MLA (9th ed.) Citation

Carls, Norman, et al. Our United States in a World of Neighbors. Rev ed. Winston, 1962.