Cita APA

Knudsen, H. F. (1967). I was Quisling's secretary. Britons Publishing Company.

Citación estilo Chicago

Knudsen, H. Franklin. I Was Quisling's Secretary. London: Britons Publishing Company, 1967.

Cita MLA

Knudsen, H. Franklin. I Was Quisling's Secretary. Britons Publishing Company, 1967.