MLA

Bontemps, Arna, 1902-1973. Popo and Fifina : children of Haiti / by Arna Bontemps and Langston Hughes ; ill. by E. Simms Campbell.. 1932. https://collections.library.yale.edu/catalog/15810530.

APA, 6th edition

Bontemps, Arna, 1902-1973. (1932)[Popo and Fifina : children of Haiti / by Arna Bontemps and Langston Hughes ; ill. by E. Simms Campbell.]. https://collections.library.yale.edu/catalog/15810530.