Citazione Stile APA (7a Edizione)

Herbart, J. F., & Smith, M. K. 1. . . .. (1891). A text-book in psychology: An attempt to found the science of psychology on experience, metaphysics, and mathematics. D. Appleton and Co.

Citazione stile Chigago Style (17a edizione)

Herbart, Johann Friedrich, e Margaret Keiver 1856- Smith. A Text-book in Psychology: An Attempt to Found the Science of Psychology on Experience, Metaphysics, and Mathematics. New York: D. Appleton and Co, 1891.

Citatione MLA (9a ed.)

Herbart, Johann Friedrich, e Margaret Keiver 1856- Smith. A Text-book in Psychology: An Attempt to Found the Science of Psychology on Experience, Metaphysics, and Mathematics. D. Appleton and Co, 1891.