Cita APA (7a ed.)

Zelinsky, W. (1966). A prologue to population geography. Prentice Hall.

Cita Chicago Style (17a ed.)

Zelinsky, Wilbur. A Prologue to Population Geography. New Jersey: Prentice Hall, 1966.

Cita MLA (9a ed.)

Zelinsky, Wilbur. A Prologue to Population Geography. Prentice Hall, 1966.