Citazione Stile APA (7a Edizione)

Barzun, J., & Graff, H. F. (1970). The modern researcher (Revised edition.). Harcourt, Brace & World, Inc.

Citazione stile Chigago Style (17a edizione)

Barzun, Jacques, e Henry F. Graff. The Modern Researcher. Revised edition. New York: Harcourt, Brace & World, Inc, 1970.

Citatione MLA (9a ed.)

Barzun, Jacques, e Henry F. Graff. The Modern Researcher. Revised edition. Harcourt, Brace & World, Inc, 1970.