APA (7th ed.) Citation

National Conference of Music Supervisors (U.S.). (1914). Music supervisors' bulletin. The Conference.

Chicago Style (17th ed.) Citation

National Conference of Music Supervisors (U.S.). Music Supervisors' Bulletin. [United States?]: The Conference, 1914.

MLA (9th ed.) Citation

National Conference of Music Supervisors (U.S.). Music Supervisors' Bulletin. The Conference, 1914.

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