APA (7th ed.) Citation

National tax association, Blakey, R. G., & Blakey, G. M. (1927). Digest and index, 1907-1925. National tax association.

Chicago Style (17th ed.) Citation

National tax association, Roy Gillespie Blakey, and Gladys McAlpine Blakey. Digest and Index, 1907-1925. New York, N.Y: National tax association, 1927.

MLA (9th ed.) Citation

National tax association, et al. Digest and Index, 1907-1925. National tax association, 1927.