APA (7th ed.) Citation

Smith, S. G. (1950). The yellow wagtail. Collins.

Chicago Style (17th ed.) Citation

Smith, Stuart G. The Yellow Wagtail. London: Collins, 1950.

MLA (9th ed.) Citation

Smith, Stuart G. The Yellow Wagtail. Collins, 1950.

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