Cita APA (7th ed.)

BARRATT, J. (1972). International aspects of overpopulation: Proceedings of a conference held by the. Macmillan.

Cita Chicago (17th ed.)

BARRATT, Jhon. International Aspects of Overpopulation: Proceedings of a Conference Held by the. London: Macmillan, 1972.

Cita MLA (9th ed.)

BARRATT, Jhon. International Aspects of Overpopulation: Proceedings of a Conference Held by the. Macmillan, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.