APA (7e ed.) Bronvermelding

McGuffin, W., & Pielou, D. (1972). Guide to Geometriadae of Canada (lepidoptera): Subfamily ennominae. The Entomological Society of Canada.

Chicago (17e ed.) Bronvermelding

McGuffin, W.C, en D.P Pielou. Guide to Geometriadae of Canada (lepidoptera): Subfamily Ennominae. Ottawa: The Entomological Society of Canada, 1972.

MLA (9e ed.) Bronvermelding

McGuffin, W.C, en D.P Pielou. Guide to Geometriadae of Canada (lepidoptera): Subfamily Ennominae. The Entomological Society of Canada, 1972.