APA (7th ed.) Citation

Exclusive Maps LTD. (1988). An explorer's map of Oregon. Exclusive Maps.

Chicago Style (17th ed.) Citation

Exclusive Maps LTD. An Explorer's Map of Oregon. Eugene: Exclusive Maps, 1988.

MLA (9th ed.) Citation

Exclusive Maps LTD. An Explorer's Map of Oregon. Exclusive Maps, 1988.

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