APA (7th ed.) Zitazioa
Snow, P. (2018). History of the World Map by Map. Dorling Kindersley : Smithsonian Institution.
Chicago Style (17th ed.) Zitazioa
Snow, Peter. History of the World Map by Map. Nueva York, EUA: Dorling Kindersley : Smithsonian Institution, 2018.
MLA (9th ed.) Zitazioa
Snow, Peter. History of the World Map by Map. Dorling Kindersley : Smithsonian Institution, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.