APA (7th ed.) Citation

Various. Encyclopaedia Britannica, 11th Edition, "Map" to "Mars" Volume 17, Slice 6.

Chicago Style (17th ed.) Citation

Various. Encyclopaedia Britannica, 11th Edition, "Map" to "Mars" Volume 17, Slice 6.

MLA (9th ed.) Citation

Various. Encyclopaedia Britannica, 11th Edition, "Map" to "Mars" Volume 17, Slice 6.

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