Cita APA (7th ed.)

Niedner, F. (1920). Islands Kultur zur Wikingerzeit. Eugen Diederichs.

Cita Chicago (17th ed.)

Niedner, Felix. Islands Kultur Zur Wikingerzeit. Jena: Eugen Diederichs, 1920.

Cita MLA (8th ed.)

Niedner, Felix. Islands Kultur Zur Wikingerzeit. Eugen Diederichs, 1920.