APA (7th ed.) Citation

Esau, K., Cheadle, V. I., & Gifford, E. M. (1953). Comparative structure and possible trends of specialization of the problem ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Esau, Katherine, Vernon I. Cheadle, and E. M. Gifford. Comparative Structure and Possible Trends of Specialization of the Problem. [Sonderdr.]. 1953.

MLA (9th ed.) Citation

Esau, Katherine, et al. Comparative Structure and Possible Trends of Specialization of the Problem. [Sonderdr.]. 1953.