APA (7th ed.) Citation

ScienceDirect (Online service), Willardson, R. K., & Beer, A. C. (1970). Infrared detectors. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Robert K. Willardson, and Albert C. Beer. Infrared Detectors. New York: Academic Press, 1970.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Infrared Detectors. Academic Press, 1970.