APA (7th ed.) Citation

Anna & Benson. (1998). Firm for life: A lifelong plan for fitness, energy, and overall good health. Broadway Books.

Chicago Style (17th ed.) Citation

Anna and Benson. Firm for Life: A Lifelong Plan for Fitness, Energy, and Overall Good Health. New York: Broadway Books, 1998.

MLA (8th ed.) Citation

Anna and Benson. Firm for Life: A Lifelong Plan for Fitness, Energy, and Overall Good Health. Broadway Books, 1998.