APA

Fath E. A., . (1934). The elements of astronomy. New York: McGraw-Hill.

Chicago

Fath Edward Arthur, . 1934. The elements of astronomy. New York: McGraw-Hill.

Harvard

Fath E. A., . (1934). The elements of astronomy. New York: McGraw-Hill.

MLA

Fath Edward Arthur, . The elements of astronomy. New York: McGraw-Hill. 1934.