APA (7th ed.) Citation

ScienceDirect (Online service), Macario, A. J. L., & Conway de Macario, E. (1990). Gene probes for bacteria. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Alberto J. L. Macario, and Everly Conway de Macario. Gene Probes for Bacteria. San Diego: Academic Press, 1990.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Gene Probes for Bacteria. Academic Press, 1990.