APA (7th ed.) Citation

Hutchingson, J. E. (1981). Reflections on a theory of the earth. Zygon, 16(2), 109-126.

Chicago Style (17th ed.) Citation

Hutchingson, James E. "Reflections on a Theory of the Earth." Zygon 16, no. 2 (1981): 109-126.

MLA (8th ed.) Citation

Hutchingson, James E. "Reflections on a Theory of the Earth." Zygon, vol. 16, no. 2, 1981, pp. 109-126.