Cita APA (7a ed.)

(1931). Martindale-Hubbell law directory. Martindale-Hubbell Law Directory.

Cita Chicago Style (17a ed.)

Martindale-Hubbell Law Directory. New York: Martindale-Hubbell Law Directory, 1931.

Cita MLA (9a ed.)

Martindale-Hubbell Law Directory. Martindale-Hubbell Law Directory, 1931.