Cita APA (7th ed.)

Flagle, C. D., Huggins, W. H., & Roy, R. H. (1960). Operations research and systems engineering. Johns Hopkins Press.

Cita Chicago (17th ed.)

Flagle, Charles D., William H. Huggins, i Robert H. Roy. Operations Research and Systems Engineering. Baltimore: Johns Hopkins Press, 1960.

Cita MLA (9th ed.)

Flagle, Charles D., et al. Operations Research and Systems Engineering. Johns Hopkins Press, 1960.