APA (7th ed.) Citation

Maloff, I. G., & Epstein, D. W. (1945). Reflective optics in projection television. Scientific American, 172, 41.

Chicago Style (17th ed.) Citation

Maloff, I. G., and D. W. Epstein. "Reflective Optics in Projection Television." Scientific American 172 (1945): 41.

MLA (9th ed.) Citation

Maloff, I. G., and D. W. Epstein. "Reflective Optics in Projection Television." Scientific American, vol. 172, 1945, p. 41.