APA (7th ed.) Citation

Armstrong, G. P., Carlier, S. G., Fukamachi, K., Thomas, J. D., & Marwick, T. H. (1999). Estimation of cardiac reserve by peak power: Validation and initial application of a simplified index. Heart (British Cardiac Society), 82(3), 357-364. https://doi.org/10.1136/hrt.82.3.357

Chicago Style (17th ed.) Citation

Armstrong, G P., S G. Carlier, K. Fukamachi, J D. Thomas, and T H. Marwick. "Estimation of Cardiac Reserve by Peak Power: Validation and Initial Application of a Simplified Index." Heart (British Cardiac Society) 82, no. 3 (1999): 357-364. https://doi.org/10.1136/hrt.82.3.357.

MLA (9th ed.) Citation

Armstrong, G P., et al. "Estimation of Cardiac Reserve by Peak Power: Validation and Initial Application of a Simplified Index." Heart (British Cardiac Society), vol. 82, no. 3, 1999, pp. 357-364, https://doi.org/10.1136/hrt.82.3.357.

Warning: These citations may not always be 100% accurate.