Cita APA (7th ed.)

Barzun, J. (1985). The modern researcher (4th.ed.). HBJ.

Cita Chicago (17th ed.)

Barzun, Jacques. The Modern Researcher. 4th.ed. San Diego: HBJ, 1985.

Cita MLA (9th ed.)

Barzun, Jacques. The Modern Researcher. 4th.ed. HBJ, 1985.