APA (7th ed.) Citation

Rivera-Gutierrez, H. F., Pinxten, R., & Eens, M. (2011). Difficulties when assessing birdsong learning programmes under field conditions: A re-evaluation of song repertoire flexibility in the great tit. Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Rivera-Gutierrez, Hector F., Rianne Pinxten, and Marcel Eens. Difficulties When Assessing Birdsong Learning Programmes Under Field Conditions: A Re-evaluation of Song Repertoire Flexibility in the Great Tit. Public Library of Science (PLoS), 2011.

MLA (8th ed.) Citation

Rivera-Gutierrez, Hector F., et al. Difficulties When Assessing Birdsong Learning Programmes Under Field Conditions: A Re-evaluation of Song Repertoire Flexibility in the Great Tit. Public Library of Science (PLoS), 2011.