APA (7th ed.) Citation

(1990). Geologic map of the Sudbury mining camp and surrounding area, Ontario, Canada. [publisher not identified].

Chicago Style (17th ed.) Citation

Geologic Map of the Sudbury Mining Camp and Surrounding Area, Ontario, Canada. [Toronto?]: [publisher not identified], 1990.

MLA (9th ed.) Citation

Geologic Map of the Sudbury Mining Camp and Surrounding Area, Ontario, Canada. [publisher not identified], 1990.

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