Cita APA (7a ed.)

Barzun, J., & Graff, H. F. (1970). The Modern Researcher (rev. ed.). Harcourt, Brace & World.

Cita Chicago Style (17a ed.)

Barzun, Jacques, y Henry F. Graff. The Modern Researcher. rev. ed. New York: Harcourt, Brace & World, 1970.

Cita MLA (9a ed.)

Barzun, Jacques, y Henry F. Graff. The Modern Researcher. rev. ed. Harcourt, Brace & World, 1970.