The Diapason.
APA Citation
Canadian College of Organists., National Association of Organists., Organ Builders' Association of America., Hymn Society of America., American Guild of Organists. The Diapason. [Des Plaines, IL, etc.: Scranton Gillette Communications, inc., etc.].
MLA Citation
American Guild of Organists, et al.. The Diapason. [Des Plaines, IL, etc.: Scranton Gillette Communications, inc., etc.],
Warning: These citations may not always be complete (especially for serials).