APA (7th ed.) Citation

Kosek, J. K., McMurray, E. J., & Valade, R. M. I. (1995). Notable twentieth century scientists. Gale Research.

Chicago Style (17th ed.) Citation

Kosek, Jane Kelly, Emily J. McMurray, and Roger M. III Valade. Notable Twentieth Century Scientists. Detroit: Gale Research, 1995.

MLA (9th ed.) Citation

Kosek, Jane Kelly, et al. Notable Twentieth Century Scientists. Gale Research, 1995.