Cita APA (7a ed.)

Bräuer, G. (1994). How different are Asian and African Homo erectus? [s.n.].

Cita Chicago Style (17a ed.)

Bräuer, Günter. How Different Are Asian and African Homo Erectus? [S.l.]: [s.n.], 1994.

Cita MLA (9a ed.)

Bräuer, Günter. How Different Are Asian and African Homo Erectus? [s.n.], 1994.