APA (7th ed.) Citation

Gershwin, G., & Wolfgram, C. (2008). It ain't necessarily so: For saxophone choir. De Haske Publications BV.

Chicago Style (17th ed.) Citation

Gershwin, George, and Coen Wolfgram. It Ain't Necessarily so: For Saxophone Choir. Heerenveen, Holland: De Haske Publications BV, 2008.

MLA (9th ed.) Citation

Gershwin, George, and Coen Wolfgram. It Ain't Necessarily so: For Saxophone Choir. De Haske Publications BV, 2008.