Cita APA (7th ed.)

Hartley, S. F. (1972). Population quantity and quality: A sociological examination of the cause and consequences of the population explosion. Prentice-Hall.

Cita Chicago (17th ed.)

Hartley, Shirley Foster. Population Quantity and Quality: A Sociological Examination of the Cause and Consequences of the Population Explosion. Englewood Cliffs, N.J.: Prentice-Hall, 1972.

Cita MLA (9th ed.)

Hartley, Shirley Foster. Population Quantity and Quality: A Sociological Examination of the Cause and Consequences of the Population Explosion. Prentice-Hall, 1972.