APA (7th ed.) Citation

Calvin, R., & Hurd, P. (1965). Sky determines: An interpretation of the Southwest ([Rev. and enl.].). University of New Mexico Press.

Chicago Style (17th ed.) Citation

Calvin, Ross, and Peter Hurd. Sky Determines: An Interpretation of the Southwest. [Rev. and enl.]. Albuquerque: University of New Mexico Press, 1965.

MLA (9th ed.) Citation

Calvin, Ross, and Peter Hurd. Sky Determines: An Interpretation of the Southwest. [Rev. and enl.]. University of New Mexico Press, 1965.