APA (7th ed.) Citation

Armstrong, E. A. (1963). A study of bird song. Oxford Univ. Pr.

Chicago Style (17th ed.) Citation

Armstrong, Edward Allworthy. A Study of Bird Song. London u.a: Oxford Univ. Pr, 1963.

MLA (9th ed.) Citation

Armstrong, Edward Allworthy. A Study of Bird Song. Oxford Univ. Pr, 1963.

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