APA (7th ed.) Citation

Brown, T. E., Claborn, L. D., McCrady, J. D., & Nation, J. R. (1989). Heart rate variability: Characterizing autonomic control.

Chicago Style (17th ed.) Citation

Brown, Troy Edwin, Larry D. Claborn, James D. McCrady, and Jack R. Nation. Heart Rate Variability: Characterizing Autonomic Control. 1989.

MLA (9th ed.) Citation

Brown, Troy Edwin, et al. Heart Rate Variability: Characterizing Autonomic Control. 1989.