APA

(19571966). The world almanac and book of facts. New York: Luman H. Long.

Chicago

19571966. The world almanac and book of facts. New York: Luman H. Long.

Harvard

(19571966). The world almanac and book of facts. New York: Luman H. Long.

MLA

The world almanac and book of facts. New York: Luman H. Long. 19571966.