Citazione Stile APA (7a Edizione)

Crowder, M., Cootes, R. J., & Snellgrove, L. E. (1991). Ancient times: A junior history for Africa (10. impr.). Longman.

Citazione stile Chigago Style (17a edizione)

Crowder, Michael, Richard John Cootes, e Laurence Ernest Snellgrove. Ancient Times: A Junior History for Africa. 10. impr. Harlow: Longman, 1991.

Citatione MLA (9a ed.)

Crowder, Michael, et al. Ancient Times: A Junior History for Africa. 10. impr. Longman, 1991.