APA (7th ed.) Citation

Nelson, S. P., & Nelson, T. W. (2007). Umbrella guide to Oregon lighthouses (Updated ed.). EZ Nature Books.

Chicago Style (17th ed.) Citation

Nelson, Sharlene P., and Ted W. Nelson. Umbrella Guide to Oregon Lighthouses. Updated ed. San Luis Obispo: EZ Nature Books, 2007.

MLA (8th ed.) Citation

Nelson, Sharlene P., and Ted W. Nelson. Umbrella Guide to Oregon Lighthouses. Updated ed. EZ Nature Books, 2007.

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