APA (7th ed.) Citation

(1920). Department Bulletins Nos. 551-575, with contents and index. GPO.

Chicago Style (17th ed.) Citation

Department Bulletins Nos. 551-575, with Contents and Index. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

Department Bulletins Nos. 551-575, with Contents and Index. GPO, 1920.

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