APA (7th ed.) Citation

Verrall, G. H. (1969). Platypezidae, Pipunculidae and Syrphidae of Great Britain. [Classey].

Chicago Style (17th ed.) Citation

Verrall, George Henry. Platypezidae, Pipunculidae and Syrphidae of Great Britain. [Hampton, England]: [Classey], 1969.

MLA (9th ed.) Citation

Verrall, George Henry. Platypezidae, Pipunculidae and Syrphidae of Great Britain. [Classey], 1969.

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