APA (7th ed.) Citation

ScienceDirect (Online service), Yunis, J. J., & Barr, M. L. (1965). Human chromosome methodology. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Jorge J. Yunis, and Murray Llewellyn Barr. Human Chromosome Methodology. New York: Academic Press, 1965.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Human Chromosome Methodology. Academic Press, 1965.