APA Citation

Barker, D., & Hall, A. (1991). Pratical epidemiology (4th ed.). London: Churchill Livingstone.

Chicago Style Citation

Barker, D.J.P, and A.J Hall. Pratical Epidemiology. 4th ed. London: Churchill Livingstone, 1991.

MLA Citation

Barker, D.J.P, and A.J Hall. Pratical Epidemiology. 4th ed. London: Churchill Livingstone, 1991.

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