Cita APA

Barker, D. B. (1976). Practical epidemiology (2nd.). Churchill livingstone.

Citación estilo Chicago

Barker, D.J.P. Bennett. Practical Epidemiology. 2nd. Singapore: Churchill livingstone, 1976.

Cita MLA

Barker, D.J.P. Bennett. Practical Epidemiology. 2nd. Churchill livingstone, 1976.

Warning: These citations may not always be 100% accurate.