APA (7th ed.) Citation

(1955). Titles and forms of address: A guide to their correct use (9. ed.). Black.

Chicago Style (17th ed.) Citation

Titles and Forms of Address: A Guide to Their Correct Use. 9. ed. London: Black, 1955.

MLA (9th ed.) Citation

Titles and Forms of Address: A Guide to Their Correct Use. 9. ed. Black, 1955.