APA (7th ed.) Citation

Blakey, R. G., & Blakey, G. M. C. (1940). The federal income tax. Longmans, Green and co..

Chicago Style (17th ed.) Citation

Blakey, Roy G., and Gladys McAlpine Campbell Blakey. The Federal Income Tax. London, New York: Longmans, Green and co., 1940.

MLA (9th ed.) Citation

Blakey, Roy G., and Gladys McAlpine Campbell Blakey. The Federal Income Tax. Longmans, Green and co., 1940.