APA

Trewartha G. T., . (1937). An introduction to climate. New York: McGraw-Hill.

Chicago

Trewartha Glenn Thomas, . 1937. An introduction to climate. New York: McGraw-Hill.

Harvard

Trewartha G. T., . (1937). An introduction to climate. New York: McGraw-Hill.

MLA

Trewartha Glenn Thomas, . An introduction to climate. New York: McGraw-Hill. 1937.