Cita APA (7a ed.)

Unwin, N. (1997). An introductory study guide to public health and epidemiology. Open Univ. Press.

Cita Chicago Style (17a ed.)

Unwin, Nigel. An Introductory Study Guide to Public Health and Epidemiology. Buckingham: Open Univ. Press, 1997.

Cita MLA (9a ed.)

Unwin, Nigel. An Introductory Study Guide to Public Health and Epidemiology. Open Univ. Press, 1997.