APA (7th ed.) Citation

Harlow, W. F., Armstrong, D. G., Hill, L. D., & Johnson, G. R. (1990). Ralph W. Steen, 1905-1980, and the business of twentieth-century Texas education.

Chicago Style (17th ed.) Citation

Harlow, William Franklin, David G. Armstrong, Larry D. Hill, and Glenn Ross Johnson. Ralph W. Steen, 1905-1980, and the Business of Twentieth-century Texas Education. 1990.

MLA (9th ed.) Citation

Harlow, William Franklin, et al. Ralph W. Steen, 1905-1980, and the Business of Twentieth-century Texas Education. 1990.