APA (7th ed.) Citation

Pugh, G. E. (1980). A scientific perspective on the is/ought paradox. Zygon, 15(2), 101-115.

Chicago Style (17th ed.) Citation

Pugh, George Edgin. "A Scientific Perspective on the Is/ought Paradox." Zygon 15, no. 2 (1980): 101-115.

MLA (8th ed.) Citation

Pugh, George Edgin. "A Scientific Perspective on the Is/ought Paradox." Zygon, vol. 15, no. 2, 1980, pp. 101-115.