Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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