Citazione Stile APA (7a Edizione)

Valls y Taberner, F. (1990). An introductory history of discovery and exploration. University of Málaga.

Citazione stile Chigago Style (17a edizione)

Valls y Taberner, Fernando. An Introductory History of Discovery and Exploration. Zaragoza: University of Málaga, 1990.

Citatione MLA (9a ed.)

Valls y Taberner, Fernando. An Introductory History of Discovery and Exploration. University of Málaga, 1990.