APA-viite (7. p.)
Chilver, E. M., & Zintgraff, E. (2010). Zintgraff's explorations in Bamenda, Adamawa and the Benue lands, 1889-1892. Langaa Research and Publishing CIG.
Chicago-viite (17. p.)
Chilver, E. M., ja Eugen Zintgraff. Zintgraff's Explorations in Bamenda, Adamawa and the Benue Lands, 1889-1892. Mankon [Cameroon]: Langaa Research and Publishing CIG, 2010.
MLA-viite (9. p.)
Chilver, E. M., ja Eugen Zintgraff. Zintgraff's Explorations in Bamenda, Adamawa and the Benue Lands, 1889-1892. Langaa Research and Publishing CIG, 2010.
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