APA (7th ed.) Citation

Blackmar, F. W. (1926). History of human society. Scribner's sons.

Chicago Style (17th ed.) Citation

Blackmar, Frank Wilson. History of Human Society. New York: Scribner's sons, 1926.

MLA (9th ed.) Citation

Blackmar, Frank Wilson. History of Human Society. Scribner's sons, 1926.