Παραπομπή APA

Garland G D. (1965). Earth's shape and gravity. Pergamon Press.

Παραπομπή Chicago Style

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

Παραπομπή MLA

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