APA (7th ed.) Citation

(1920). Index: Bureau Memoranda 215 (1 Feb. 1919) to 226 (1 Jan. 1920), inclusive. [publisher not identified].

Chicago Style (17th ed.) Citation

Index: Bureau Memoranda 215 (1 Feb. 1919) to 226 (1 Jan. 1920), Inclusive. [Washington]: [publisher not identified], 1920.

MLA (9th ed.) Citation

Index: Bureau Memoranda 215 (1 Feb. 1919) to 226 (1 Jan. 1920), Inclusive. [publisher not identified], 1920.

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