Cita APA

Lehmkuhl, H. K. 1. (1940). The invasion of Norway. Hutchinson.

Citación estilo Chicago

Lehmkuhl, Herman K. 1943. The Invasion of Norway. London [u.a.]: Hutchinson, 1940.

Cita MLA

Lehmkuhl, Herman K. 1943. The Invasion of Norway. Hutchinson, 1940.