Cita APA (7a ed.)

Darwin, C. (1897). The expression of the emotions in man and animals: With photographic and other illus ([Authorized ed.].). D. Appleton and company.

Cita Chicago Style (17a ed.)

Darwin, Charles. The Expression of the Emotions in Man and Animals: With Photographic and Other Illus. [Authorized ed.]. New York: D. Appleton and company, 1897.

Cita MLA (8a ed.)

Darwin, Charles. The Expression of the Emotions in Man and Animals: With Photographic and Other Illus. [Authorized ed.]. D. Appleton and company, 1897.