APA (7th ed.) Citation

Sumac, Y., Baxter, L., & Vivanco, M. (1940). Voice of the Xtabay. Capitol.

Chicago Style (17th ed.) Citation

Sumac, Yma, Les Baxter, and Moisés Vivanco. Voice of the Xtabay. Hollywood, Calif: Capitol, 1940.

MLA (9th ed.) Citation

Sumac, Yma, et al. Voice of the Xtabay. Capitol, 1940.