APA (7th ed.) Citation

Ferguson, B. (2007). Robert Ashfield 1911-2007. Choir & Organ, 15(2), 9.

Chicago Style (17th ed.) Citation

Ferguson, Barry. "Robert Ashfield 1911-2007." Choir & Organ 15, no. 2 (2007): 9.

MLA (9th ed.) Citation

Ferguson, Barry. "Robert Ashfield 1911-2007." Choir & Organ, vol. 15, no. 2, 2007, p. 9.