APA (7th ed.) Citation

Orr, R. T. (1941). Some Observations on Autumnal Behavior of the California Pine Grosbeak. The Condor, 43(1), 56.

Chicago Style (17th ed.) Citation

Orr, Robert T. "Some Observations on Autumnal Behavior of the California Pine Grosbeak." The Condor 43, no. 1 (1941): 56.

MLA (9th ed.) Citation

Orr, Robert T. "Some Observations on Autumnal Behavior of the California Pine Grosbeak." The Condor, vol. 43, no. 1, 1941, p. 56.