APA (7th ed.) Citation
Hawkins, W. J., & Willingham, W. F. (1999). Classic houses of Portland, Oregon: 1850-1950. Timber Press.
Chicago Style (17th ed.) Citation
Hawkins, William John, and William F. Willingham. Classic Houses of Portland, Oregon: 1850-1950. Portland, Or.: Timber Press, 1999.
MLA (9th ed.) Citation
Hawkins, William John, and William F. Willingham. Classic Houses of Portland, Oregon: 1850-1950. Timber Press, 1999.
Warning: These citations may not always be 100% accurate.