Cita APA (7th ed.)

Kelsall, R. K. (1970). Population (Revised ed.). Longmans.

Cita Chicago (17th ed.)

Kelsall, R. Keith. Population. Revised ed. Harlow: Longmans, 1970.

Cita MLA (9th ed.)

Kelsall, R. Keith. Population. Revised ed. Longmans, 1970.