Cita APA (7a ed.)

Clark, C. (1977). Population Growth and Land use (2a. ed.). [s.n.].

Cita Chicago Style (17a ed.)

Clark, Colin. Population Growth and Land Use. 2a. ed. New York: [s.n.], 1977.

Cita MLA (8a ed.)

Clark, Colin. Population Growth and Land Use. 2a. ed. [s.n.], 1977.