APA Style
Barker, D. J. P., Hall, A. J.. (1991).
Practical Epidemiology, FOURTH EDITION (4th).
Edinburgh, London:
ELBS with Churchill Livingstone.
Chicago Style
Barker, D. J. P., Hall, A. J..
Practical Epidemiology, FOURTH EDITION.
4th
Edinburgh, London:
ELBS with Churchill Livingstone,
1991.
Text.
MLA Style
Barker, D. J. P., Hall, A. J..
Practical Epidemiology, FOURTH EDITION.
4th
Edinburgh, London:
ELBS with Churchill Livingstone,
1991.
Text.
Turabian Style
Barker, D. J. P., Hall, A. J..
Practical Epidemiology, FOURTH EDITION.
4th
Edinburgh, London:
ELBS with Churchill Livingstone,
1991.
Print.