एपीए उद्धरण

Bruce, R. A., Pearson, R., Lovejoy, F. W., Yu, P. N. G., & Brothers, G. B. (1949). VARIABILITY OF RESPIRATORY AND CIRCULATORY PERFORMANCE DURING STANDARDIZED EXERCISE.

शिकागो स्टाइल उद्धरण

Bruce, Robert A., Raymond Pearson, Frank W. Lovejoy, Paul N. G. Yu, और George B. Brothers. VARIABILITY OF RESPIRATORY AND CIRCULATORY PERFORMANCE DURING STANDARDIZED EXERCISE. 1949.

एमएलए उद्धरण

Bruce, Robert A., et al. VARIABILITY OF RESPIRATORY AND CIRCULATORY PERFORMANCE DURING STANDARDIZED EXERCISE. 1949.