APA (7th ed.) Citation

Hackett, G., Kirby, M., & Sinclair, A. J. Testosterone Deficiency, Cardiac Health, and Older Men. Wiley.

Chicago Style (17th ed.) Citation

Hackett, G., M. Kirby, and A. J. Sinclair. Testosterone Deficiency, Cardiac Health, and Older Men. Wiley.

MLA (9th ed.) Citation

Hackett, G., et al. Testosterone Deficiency, Cardiac Health, and Older Men. Wiley.