APA (7th ed.) Citation

Bowman, R. I. (1961). Morphological differentiation and adaptation in the Galapagos finches. University of California Press.

Chicago Style (17th ed.) Citation

Bowman, Robert I. Morphological Differentiation and Adaptation in the Galapagos Finches. Berkeley: University of California Press, 1961.

MLA (9th ed.) Citation

Bowman, Robert I. Morphological Differentiation and Adaptation in the Galapagos Finches. University of California Press, 1961.