APA (7th ed.) Citation

Mercator, G. (1500). Islandia. [Duisburg?].

Chicago Style (17th ed.) Citation

Mercator, Gerardus. Islandia. [Duisburg?], 1500.

MLA (9th ed.) Citation

Mercator, Gerardus. Islandia. [Duisburg?], 1500.

Warning: These citations may not always be 100% accurate.