APA (7th ed.) Citation

Wallis, H. F. (1972). The new battle of Britain : a conservation handbook and directory / (by) H.F. Wallis: A conservation handbook and directory. C. Knight.

Chicago Style (17th ed.) Citation

Wallis, Harold Frank. The New Battle of Britain : A Conservation Handbook and Directory / (by) H.F. Wallis: A Conservation Handbook and Directory. London: C. Knight, 1972.

MLA (9th ed.) Citation

Wallis, Harold Frank. The New Battle of Britain : A Conservation Handbook and Directory / (by) H.F. Wallis: A Conservation Handbook and Directory. C. Knight, 1972.

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