Cita APA (7th ed.)

Collins, G., & Altman, D. (2012). Authors' reply to Bird.

Cita Chicago (17th ed.)

Collins, G., i D. Altman. Authors' Reply to Bird. 2012.

Cita MLA (9th ed.)

Collins, G., i D. Altman. Authors' Reply to Bird. 2012.

Atenció: Aquestes cites poden no estar 100% correctes.