APA (7th ed.) Citation

(1920). Guide to the collection of carpets (2. ed.). His Maj.'s Stat. Off.

Chicago Style (17th ed.) Citation

Guide to the Collection of Carpets. 2. ed. London: His Maj.'s Stat. Off, 1920.

MLA (9th ed.) Citation

Guide to the Collection of Carpets. 2. ed. His Maj.'s Stat. Off, 1920.