APA (7th ed.) Citation

Beard, G. M., Osler, W., Crichton-Browne, J., & Gruman, G. J. (1979). The "Fixed period" controversy: Prelude to ageism. Arno Press.

Chicago Style (17th ed.) Citation

Beard, George M., William Osler, James Crichton-Browne, and Gerald J. Gruman. The "Fixed Period" Controversy: Prelude to Ageism. New York: Arno Press, 1979.

MLA (9th ed.) Citation

Beard, George M., et al. The "Fixed Period" Controversy: Prelude to Ageism. Arno Press, 1979.