APA (7th ed.) Citation

Shanas, E., Townsend, P., Wedderburn, D., Friis, H., Milhoj, P., & Stehouwer, J. (1968). Old people in three industrial societies. Atherton Press.

Chicago Style (17th ed.) Citation

Shanas, Ethel, Peter Townsend, Dorothy Wedderburn, Henning Friis, Poul Milhoj, and Jan Stehouwer. Old People in Three Industrial Societies. New York: Atherton Press, 1968.

MLA (9th ed.) Citation

Shanas, Ethel, et al. Old People in Three Industrial Societies. Atherton Press, 1968.