APA (7th ed.) Citation

Axelrod, D. I. (1987). The late Oligocene Creede flora, Colorado. University of California Press.

Chicago Style (17th ed.) Citation

Axelrod, Daniel I. The Late Oligocene Creede Flora, Colorado. Berkeley: University of California Press, 1987.

MLA (9th ed.) Citation

Axelrod, Daniel I. The Late Oligocene Creede Flora, Colorado. University of California Press, 1987.