Craighead, J. J., Craighead, F. C., & Davis, R. C. (1963). A field guide to Rocky Mountain wildflowers from Northern Arizona and New Mexico to British Columbia.
Chicago-Zitierstil (17. Ausg.)Craighead, John J., Frank C. Craighead, und Ray C. Davis. A Field Guide to Rocky Mountain Wildflowers from Northern Arizona and New Mexico to British Columbia. Boston, 1963.
MLA-Zitierstil (9. Ausg.)Craighead, John J., et al. A Field Guide to Rocky Mountain Wildflowers from Northern Arizona and New Mexico to British Columbia. 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.