APA

Long L. H., . (1966). The world almanac 1967 and book of facts. New York: Newspaper Enterprise Association.

Chicago

Long Luman H, . 1966. The world almanac 1967 and book of facts. New York: Newspaper Enterprise Association.

Harvard

Long L. H., . (1966). The world almanac 1967 and book of facts. New York: Newspaper Enterprise Association.

MLA

Long Luman H, . The world almanac 1967 and book of facts. New York: Newspaper Enterprise Association. 1966.