APA (7th ed.) Citation

American Pioneer Trails Association. Oregon Council & Dowling, C. M. (1945). Oregon's historic trails and "story spots".

Chicago Style (17th ed.) Citation

American Pioneer Trails Association. Oregon Council and Colista M. Dowling. Oregon's Historic Trails and "Story Spots". Portland, Or, 1945.

MLA (8th ed.) Citation

American Pioneer Trails Association. Oregon Council and Colista M. Dowling. Oregon's Historic Trails and "Story Spots". 1945.

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