Cita APA (7a ed.)

Lassonde, L., & Grayston, G. (1997). Coping with population challenges. Earthscan.

Cita Chicago Style (17a ed.)

Lassonde, Louise, y Graham Grayston. Coping with Population Challenges. London: Earthscan, 1997.

Cita MLA (8a ed.)

Lassonde, Louise, y Graham Grayston. Coping with Population Challenges. Earthscan, 1997.