APA (7th ed.) Citation

Smith, S. E., Hastedt, C. A., & Dyal, D. H. (1998). American book and magazine illustrators to 1920. Gale Research.

Chicago Style (17th ed.) Citation

Smith, Steven Escar, Catherine A. Hastedt, and Donald H. Dyal. American Book and Magazine Illustrators to 1920. Detroit: Gale Research, 1998.

MLA (9th ed.) Citation

Smith, Steven Escar, et al. American Book and Magazine Illustrators to 1920. Gale Research, 1998.