Cita APA (7a ed.)
(1980). From the Heart of Africa: Figures and events from prehistoric times. The Grail Message Foundation Publ.
Cita Chicago Style (17a ed.)
From the Heart of Africa: Figures and Events from Prehistoric Times. Stuttgart: The Grail Message Foundation Publ, 1980.
Cita MLA (9a ed.)
From the Heart of Africa: Figures and Events from Prehistoric Times. The Grail Message Foundation Publ, 1980.
Precaución: Estas citas no son 100% exactas.