O'Hara, V. (1990). The fitness option: Five weeks to healing stress (2nd ed.). Dawn.
芝加哥风格引文O'Hara, Valerie. The Fitness Option: Five Weeks to Healing Stress. 2nd ed. Nevada City, CA: Dawn, 1990.
MLA引文O'Hara, Valerie. The Fitness Option: Five Weeks to Healing Stress. 2nd ed. Dawn, 1990.
警告：这些引文格式不一定是100％准确.