APA (7th ed.) Citation

Hackel, E., Lamson-Scribner, F., & Southworth, E. A. (1890). The true grasses. Holt.

Chicago Style (17th ed.) Citation

Hackel, Eduard, F. Lamson-Scribner, and Effie A. Southworth. The True Grasses. New York: Holt, 1890.

MLA (9th ed.) Citation

Hackel, Eduard, et al. The True Grasses. Holt, 1890.