APA (7th ed.) Citation

Shepard, C. L., Long, R. L., & Cogswell, D. G. (1949). Requirements from the army field forces for commercial model personal aircraft. Aeronautical Engineering Review., 8, 24.

Chicago Style (17th ed.) Citation

Shepard, C. L., R. L. Long, and D. G. Cogswell. "Requirements from the Army Field Forces for Commercial Model Personal Aircraft." Aeronautical Engineering Review. 8 (1949): 24.

MLA (9th ed.) Citation

Shepard, C. L., et al. "Requirements from the Army Field Forces for Commercial Model Personal Aircraft." Aeronautical Engineering Review., vol. 8, 1949, p. 24.