APA (7th ed.) Citation

Elmore, R., Scanlan, C. M., & Wikse, S. E. (1990). Dairy Practice Seminar: May 20, 1990, Irving, TX. [publisher not identified].

Chicago Style (17th ed.) Citation

Elmore, Ronnie, Charles M. Scanlan, and Steven E. Wikse. Dairy Practice Seminar: May 20, 1990, Irving, TX. [Place of publication not identified]: [publisher not identified], 1990.

MLA (9th ed.) Citation

Elmore, Ronnie, et al. Dairy Practice Seminar: May 20, 1990, Irving, TX. [publisher not identified], 1990.