APA (7e ed.) Bronvermelding

Holdgate, M. W., & Fuchs, V. S. (1977). Forces of nature. Holt, Rinehart and Winston.

Chicago (17e ed.) Bronvermelding

Holdgate, Martin W., en Vivian Sir Fuchs. Forces of Nature. New York: Holt, Rinehart and Winston, 1977.

MLA (9e ed.) Bronvermelding

Holdgate, Martin W., en Vivian Sir Fuchs. Forces of Nature. Holt, Rinehart and Winston, 1977.