Cita APA (7a ed.)

Barzun, J. (1957). The modern researcher. Harcourt, Brace & World.

Cita Chicago Style (17a ed.)

Barzun, Jacques.-. The Modern Researcher. New York: Harcourt, Brace & World, 1957.

Cita MLA (9a ed.)

Barzun, Jacques.-. The Modern Researcher. Harcourt, Brace & World, 1957.