APA (7th ed.) Citation

WS, A., PR, H., V, D., & M, I. (1973). Diurnal variation of plasma catecholamines and systolic time intervals. Chest, 63(5), 722. https://doi.org/10.1378/chest.63.5.722

Chicago Style (17th ed.) Citation

WS, Aronow, Harding PR, DeQuattro V, and Isbell M. "Diurnal Variation of Plasma Catecholamines and Systolic Time Intervals." Chest 63, no. 5 (1973): 722. https://doi.org/10.1378/chest.63.5.722.

MLA (9th ed.) Citation

WS, Aronow, et al. "Diurnal Variation of Plasma Catecholamines and Systolic Time Intervals." Chest, vol. 63, no. 5, 1973, p. 722, https://doi.org/10.1378/chest.63.5.722.

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