APA (7th ed.) Citation

Shepard, R. N., & Judd, S. A. (1976). Perceptual illusion of rotation of three-dimensional objects. Science, 191, 952.

Chicago Style (17th ed.) Citation

Shepard, R. N., and S. A. Judd. "Perceptual Illusion of Rotation of Three-dimensional Objects." Science 191 (1976): 952.

MLA (9th ed.) Citation

Shepard, R. N., and S. A. Judd. "Perceptual Illusion of Rotation of Three-dimensional Objects." Science, vol. 191, 1976, p. 952.