Cita APA (7th ed.)

RUSSELL, S. E. J. (1954). World population and world food supplies. Allen & Unwin.

Cita Chicago (17th ed.)

RUSSELL, Sir E. John. World Population and World Food Supplies. London: Allen & Unwin, 1954.

Cita MLA (9th ed.)

RUSSELL, Sir E. John. World Population and World Food Supplies. Allen & Unwin, 1954.

Atenció: Aquestes cites poden no estar 100% correctes.