APA (7e ed.) Bronvermelding

Não informado. (1921). Entomological bulletin. Department of Science and Agriculture.

Chicago (17e ed.) Bronvermelding

Não informado. Entomological Bulletin. Kingston: Department of Science and Agriculture, 1921.

MLA (8e ed.) Bronvermelding

Não informado. Entomological Bulletin. Department of Science and Agriculture, 1921.

Let op: Deze citaties zijn niet altijd 100% accuraat.