Cita APA

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

Citación estilo Chicago

Barzun, Jacques Martin, y Henry Franklio Graff. The Modern Researcher. New York: Harcourt, Brace, 1957.

Cita MLA

Barzun, Jacques Martin, y Henry Franklio Graff. The Modern Researcher. New York: Harcourt, Brace, 1957.