APA (7 ম সংস্করণ) উদ্ধৃতি

Hartwig, G. W., & Hartwig, G. W. (1978). Disease in African history: An introductory survey and case studies. Duke University Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Hartwig, Gerald W., এবং Gerald W.;Patterson Hartwig. Disease in African History: An Introductory Survey and Case Studies. Duke University Press, 1978.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Hartwig, Gerald W., এবং Gerald W.;Patterson Hartwig. Disease in African History: An Introductory Survey and Case Studies. Duke University Press, 1978.