Cita APA (7th ed.)

Smith, T. L. (1976). Demography principles and methods. Alfred.

Cita Chicago (17th ed.)

Smith, T. Lynn. Demography Principles and Methods. Port Washington, N.Y: Alfred, 1976.

Cita MLA (9th ed.)

Smith, T. Lynn. Demography Principles and Methods. Alfred, 1976.