APA (7e ed.) Bronvermelding

Garland, G. D. (1965). The earth's shape and gravity. Pergamon Press.

Chicago (17e ed.) Bronvermelding

Garland, G. D. The Earth's Shape and Gravity. Oxford: Pergamon Press, 1965.

MLA (9e ed.) Bronvermelding

Garland, G. D. The Earth's Shape and Gravity. Pergamon Press, 1965.