APA (7th ed.) Citation

Seaman, W. H., Rothrock, J. T., & Wheeler, G. M. (1878). Trisetum wolfii, Trisetum alpestre, Vilfa minima.

Chicago Style (17th ed.) Citation

Seaman, William H., Joseph T. Rothrock, and George M. Wheeler. Trisetum Wolfii, Trisetum Alpestre, Vilfa Minima. 1878.

MLA (8th ed.) Citation

Seaman, William H., et al. Trisetum Wolfii, Trisetum Alpestre, Vilfa Minima. 1878.