APA引文

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引文

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

警告：這些引文格式不一定是100％准確.