APA (7th ed.) Citation

Washington Trails Association. (1989). 25 centennial trails. Washington Trails Association.

Chicago Style (17th ed.) Citation

Washington Trails Association. 25 Centennial Trails. Seattle, WA: Washington Trails Association, 1989.

MLA (8th ed.) Citation

Washington Trails Association. 25 Centennial Trails. Washington Trails Association, 1989.

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