APA

Pearson H., . (1930). Doctor Darwin. London: J.M Dont & Sons.

Chicago

Pearson Hesketh, . 1930. Doctor Darwin. London: J.M Dont & Sons.

Harvard

Pearson H., . (1930). Doctor Darwin. London: J.M Dont & Sons.

MLA

Pearson Hesketh, . Doctor Darwin. London: J.M Dont & Sons. 1930.