APA (7th ed.) Citation

O'Donnell, T., & Vaughan, T. (1976). Portland: A historical sketch and guide. Oregon Historical Society.

Chicago Style (17th ed.) Citation

O'Donnell, Terence, and Thomas Vaughan. Portland: A Historical Sketch and Guide. [Portland]: Oregon Historical Society, 1976.

MLA (8th ed.) Citation

O'Donnell, Terence, and Thomas Vaughan. Portland: A Historical Sketch and Guide. Oregon Historical Society, 1976.

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