APA-referens (7:e uppl.)

Metcalf, C. (2023). Destructive and useful insects: Their habits and control. Mc Graw-Hill Book, London.

Chicago-referens (17:e uppl.)

Metcalf, C.L. Destructive and Useful Insects: Their Habits and Control. Mc Graw-Hill Book, London, 2023.

MLA-referens (9:e uppl.)

Metcalf, C.L. Destructive and Useful Insects: Their Habits and Control. Mc Graw-Hill Book, London, 2023.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.