Hartwig, G. W., & Hartwig, G. W. (1978). Disease in African history: An introductory survey and case studies. Duke University Press.
Chicago Style (17th ed.) CitationHartwig, Gerald W., and Gerald W.;Patterson Hartwig. Disease in African History: An Introductory Survey and Case Studies. Duke University Press, 1978.
MLA (9th ed.) CitationHartwig, Gerald W., and Gerald W.;Patterson Hartwig. Disease in African History: An Introductory Survey and Case Studies. Duke University Press, 1978.
Warning: These citations may not always be 100% accurate.