APA (7th ed.) Citation

Weiss, G. D., Thiele, B., & Brymer, M. A. (1988). What a wonderful world: For SSA and piano. Hal Leonard.

Chicago Style (17th ed.) Citation

Weiss, George D., Bob Thiele, and Mark A. Brymer. What a Wonderful World: For SSA and Piano. Milwaukee, Wis: Hal Leonard, 1988.

MLA (9th ed.) Citation

Weiss, George D., et al. What a Wonderful World: For SSA and Piano. Hal Leonard, 1988.