Cita APA (7a ed.)

Welsh, S. L., Atwood, N. D., & Goodrich, S. (1987). A Utah flora. Brigham young university.

Cita Chicago Style (17a ed.)

Welsh, Stanley L., N. Duane Atwood, y Sherel Goodrich. A Utah Flora. Utah: Brigham young university, 1987.

Cita MLA (8a ed.)

Welsh, Stanley L., et al. A Utah Flora. Brigham young university, 1987.