APA (7th ed.) Citation

Williams, C. B. (1930). The migration of butterflies. Oliver and Boyd.

Chicago Style (17th ed.) Citation

Williams, Carrington Bonsor. The Migration of Butterflies. Edinburgh, London: Oliver and Boyd, 1930.

MLA (9th ed.) Citation

Williams, Carrington Bonsor. The Migration of Butterflies. Oliver and Boyd, 1930.