Citazione Stile APA (7a Edizione)

Cornman, J. W., & Gregory, W. N. (1980). Skepticism, justification, and explanation. D. Reidel Publishing Company.

Citazione stile Chigago Style (17a edizione)

Cornman, James Welton, e Walter N. Gregory. Skepticism, Justification, and Explanation. Dordecht [i pozostałe]: D. Reidel Publishing Company, 1980.

Citatione MLA (9a ed.)

Cornman, James Welton, e Walter N. Gregory. Skepticism, Justification, and Explanation. D. Reidel Publishing Company, 1980.