Cita APA (7th ed.)

Clark, C. (1977). Population growth and land use (2nd ed.). Macmillan.

Cita Chicago (17th ed.)

Clark, Colin. Population Growth and Land Use. 2nd ed. London: Macmillan, 1977.

Cita MLA (9th ed.)

Clark, Colin. Population Growth and Land Use. 2nd ed. Macmillan, 1977.

Atenció: Aquestes cites poden no estar 100% correctes.