APA (7th ed.) Citation

Griffith, G. T. (1967). Population problems of the age of Malthus (2nd ed.). A. M. Kelley.

Chicago Style (17th ed.) Citation

Griffith, Grosvenor Talbot. Population Problems of the Age of Malthus. 2nd ed. New York: A. M. Kelley, 1967.

MLA (9th ed.) Citation

Griffith, Grosvenor Talbot. Population Problems of the Age of Malthus. 2nd ed. A. M. Kelley, 1967.