Hartwig, G. W., & Hartwig, G. W. (1978). Disease in African history: An introductory survey and case studies. Duke University Press.
Style de citation Chicago (17e éd.)Hartwig, Gerald W., et Gerald W.;Patterson Hartwig. Disease in African History: An Introductory Survey and Case Studies. Duke University Press, 1978.
Style de citation MLA (9e éd.)Hartwig, Gerald W., et Gerald W.;Patterson Hartwig. Disease in African History: An Introductory Survey and Case Studies. Duke University Press, 1978.
Attention : ces citations peuvent ne pas être correctes à 100%.