Cita APA (7a ed.)
Darwin, C. The voyage of the Beagle.
Cita Chicago Style (17a ed.)
Darwin, Charles. The Voyage of the Beagle.
Cita MLA (9a ed.)
Darwin, Charles. The Voyage of the Beagle.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.