Cita APA (7a ed.)

Clark, G. (1938). The reindeer hunting tribes of northern Europe. [s.n.].

Cita Chicago Style (17a ed.)

Clark, Grahame. The Reindeer Hunting Tribes of Northern Europe. [S.l.]: [s.n.], 1938.

Cita MLA (9a ed.)

Clark, Grahame. The Reindeer Hunting Tribes of Northern Europe. [s.n.], 1938.