APA

Gilkey L., . (1965). Maker of Heaven and Earth. New York: Anchor Books.

Chicago

Gilkey Langdon, . 1965. Maker of Heaven and Earth. New York: Anchor Books.

Harvard

Gilkey L., . (1965). Maker of Heaven and Earth. New York: Anchor Books.

MLA

Gilkey Langdon, . Maker of Heaven and Earth. New York: Anchor Books. 1965.