APA (7th ed.) Citation

Barnes, H. F., & Nijveldt, W. (1969). Gall midges of economic importance. Lockwood.

Chicago Style (17th ed.) Citation

Barnes, Horace F., and Willem Nijveldt. Gall Midges of Economic Importance. London: Lockwood, 1969.

MLA (9th ed.) Citation

Barnes, Horace F., and Willem Nijveldt. Gall Midges of Economic Importance. Lockwood, 1969.

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