Dyfyniad APA

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

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.