APA (7th ed.) Citation

Sim, G., & Hopps, R. H. (1975). Commercial transports. Astronautics & Aeronautics, 13, 24.

Chicago Style (17th ed.) Citation

Sim, G., and R. H. Hopps. "Commercial Transports." Astronautics & Aeronautics 13 (1975): 24.

MLA (9th ed.) Citation

Sim, G., and R. H. Hopps. "Commercial Transports." Astronautics & Aeronautics, vol. 13, 1975, p. 24.

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