Cita APA (7a ed.)

Guggisberg, C. Races Humaines. Librairie Payot.

Cita Chicago Style (17a ed.)

Guggisberg, C.A.W. Races Humaines. Lausanne: Librairie Payot.

Cita MLA (9a ed.)

Guggisberg, C.A.W. Races Humaines. Librairie Payot.