APA

Darwin C., . (1896). The expression of the emotions in man and animals. New York, USA: D. Appleton and Company.

Chicago

Darwin Charles, . 1896. The expression of the emotions in man and animals. New York, USA: D. Appleton and Company.

Harvard

Darwin C., . (1896). The expression of the emotions in man and animals. New York, USA: D. Appleton and Company.

MLA

Darwin Charles, . The expression of the emotions in man and animals. New York, USA: D. Appleton and Company. 1896.