APA (7th ed.) Citation

(1958). Orthodontic directory of the world (29a. ed.). American Association of Orthodontists.

Chicago Style (17th ed.) Citation

Orthodontic Directory of the World. 29a. ed. Estados Unidos: American Association of Orthodontists, 1958.

MLA (9th ed.) Citation

Orthodontic Directory of the World. 29a. ed. American Association of Orthodontists, 1958.

Warning: These citations may not always be 100% accurate.