Cita APA (7th ed.)

Barzun, J. e. a. (1970). The modern researchr: The classical manual on all aspects of research and writing (3.). Harcourt Brace Jovanovich.

Cita Chicago (17th ed.)

Barzun, Jacques et al. The Modern Researchr: The Classical Manual on All Aspects of Research and Writing. 3. New York, Estados Unidos: Harcourt Brace Jovanovich, 1970.

Cita MLA (9th ed.)

Barzun, Jacques et al. The Modern Researchr: The Classical Manual on All Aspects of Research and Writing. 3. Harcourt Brace Jovanovich, 1970.