APA (7th ed.) Citation

Hess, E. H. (1965). Attitude and pupil size. Scientific American, 212, 46.

Chicago Style (17th ed.) Citation

Hess, E. H. "Attitude and Pupil Size." Scientific American 212 (1965): 46.

MLA (9th ed.) Citation

Hess, E. H. "Attitude and Pupil Size." Scientific American, vol. 212, 1965, p. 46.

Warning: These citations may not always be 100% accurate.