APA (7th ed.) Citation

JJ, P., & WM, E. (1970). Internal and external pressures affect health planning. Hospital progress, 51(9), 58.

Chicago Style (17th ed.) Citation

JJ, Popkin, and Epstein WM. "Internal and External Pressures Affect Health Planning." Hospital Progress 51, no. 9 (1970): 58.

MLA (9th ed.) Citation

JJ, Popkin, and Epstein WM. "Internal and External Pressures Affect Health Planning." Hospital Progress, vol. 51, no. 9, 1970, p. 58.