APA (7th ed.) Citation

Knight, H. H. (1941). The Plant Bugs, or Miridae, of Illinois.

Chicago Style (17th ed.) Citation

Knight, Harry Hazelton. The Plant Bugs, or Miridae, of Illinois. Urbana, Ill, 1941.

MLA (9th ed.) Citation

Knight, Harry Hazelton. The Plant Bugs, or Miridae, of Illinois. 1941.

Warning: These citations may not always be 100% accurate.