APA (7th ed.) Citation

Calvin, R. (1934). Sky determines: An interpretation of the Southwest. Macmillan.

Chicago Style (17th ed.) Citation

Calvin, Ross. Sky Determines: An Interpretation of the Southwest. New York: Macmillan, 1934.

MLA (9th ed.) Citation

Calvin, Ross. Sky Determines: An Interpretation of the Southwest. Macmillan, 1934.

Warning: These citations may not always be 100% accurate.