APA

Diagram Group, . (1976). Man's body: an owner's manual. New York: Paddington Press.

Chicago

Diagram Group, . 1976. Man's body: an owner's manual. New York: Paddington Press.

Harvard

Diagram Group, . (1976). Man's body: an owner's manual. New York: Paddington Press.

MLA

Diagram Group, . Man's body: an owner's manual. New York: Paddington Press. 1976.