APA (7th ed.) Citation

Weiss, H. B. (1936). The pioneer century of American entomology. The author.

Chicago Style (17th ed.) Citation

Weiss, Harry B. The Pioneer Century of American Entomology. New Brunswick, N.J.: The author, 1936.

MLA (9th ed.) Citation

Weiss, Harry B. The Pioneer Century of American Entomology. The author, 1936.