Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Hartley, Shirley Foster. Population; Quantity Vs. Quality: A Sociological Examination of the Causes and Consequences of the Population Explosion. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1972.

Cita MLA (9th ed.)

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