APA (7th ed.) Citation

Neu, J. (1990). Introduction. Isis: A Journal of the History of Science in Society, 81, 2.

Chicago Style (17th ed.) Citation

Neu, John. "Introduction." Isis: A Journal of the History of Science in Society 81 (1990): 2.

MLA (9th ed.) Citation

Neu, John. "Introduction." Isis: A Journal of the History of Science in Society, vol. 81, 1990, p. 2.