Style de citation APA (7e éd.)

Velho, A., Ravenstein, E. G., & Sá, J. d. (2010). A journal of the first voyage of Vasco da Gama, 1497-1499. Ashgate.

Style de citation Chicago (17e éd.)

Velho, Alvaro, Ernst Georg Ravenstein, et João de Sá. A Journal of the First Voyage of Vasco Da Gama, 1497-1499. Farnham [England]: Ashgate, 2010.

Style de citation MLA (8e éd.)

Velho, Alvaro, et al. A Journal of the First Voyage of Vasco Da Gama, 1497-1499. Ashgate, 2010.