Cita APA (7th ed.)

Last, J. M. (1987). Public health and human ecology. Appleton & Lange.

Cita Chicago (17th ed.)

Last, John M. Public Health and Human Ecology. East Norwalk, Conn: Appleton & Lange, 1987.

Cita MLA (9th ed.)

Last, John M. Public Health and Human Ecology. Appleton & Lange, 1987.