APA (7th ed.) Citation

Discovery Channel (Firm). (2003). The Pacific Northwest (4th ed., updated.). APA Publications.

Chicago Style (17th ed.) Citation

Discovery Channel (Firm). The Pacific Northwest. 4th ed., updated. Singapore: APA Publications, 2003.

MLA (9th ed.) Citation

Discovery Channel (Firm). The Pacific Northwest. 4th ed., updated. APA Publications, 2003.

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