APA (7th ed.) Citation

Nagel, C. W., & Spayd, S. E. (1989). Yield and enological characteristics of grape cultivars in Central Washington: 1974 - 1987.

Chicago Style (17th ed.) Citation

Nagel, C. W., and Sara E. Spayd. Yield and Enological Characteristics of Grape Cultivars in Central Washington: 1974 - 1987. Pullman, 1989.

MLA (9th ed.) Citation

Nagel, C. W., and Sara E. Spayd. Yield and Enological Characteristics of Grape Cultivars in Central Washington: 1974 - 1987. 1989.