Cita APA (7th ed.)

Barzun, J., & Graff, H. F. (1957). The modern researcher. Harcourt, Brace.

Cita Chicago (17th ed.)

Barzun, Jacques, i Henry Franklin Graff. The Modern Researcher. New York: Harcourt, Brace, 1957.

Cita MLA (9th ed.)

Barzun, Jacques, i Henry Franklin Graff. The Modern Researcher. Harcourt, Brace, 1957.