APA (7th ed.) Citation

(1950). 33 special male quartets ; shaped notes only. The Rodeheaver.

Chicago Style (17th ed.) Citation

33 Special Male Quartets ; Shaped Notes Only. Winona Lake: The Rodeheaver, 1950.

MLA (9th ed.) Citation

33 Special Male Quartets ; Shaped Notes Only. The Rodeheaver, 1950.