APA (7th ed.) Citation

Gibson, H. L. (1978). Test equipment for the radio amateur (2nd ed.). Radio Society of Great Britain.

Chicago Style (17th ed.) Citation

Gibson, H. L. Test Equipment for the Radio Amateur. 2nd ed. London: Radio Society of Great Britain, 1978.

MLA (8th ed.) Citation

Gibson, H. L. Test Equipment for the Radio Amateur. 2nd ed. Radio Society of Great Britain, 1978.