Cita APA

Smith, G. H. (1946). Charles Darwin and the Voyage of the Beagle.

Chicago Style Citation

Smith, Geo. H. Charles Darwin and the Voyage of the Beagle. 1946.

Cita MLA

Smith, Geo. H. Charles Darwin and the Voyage of the Beagle. 1946.

Atenció: Aquestes cites poden no estar 100% correctes.