Pollen
MLA
Berssenbrugge, Mei-mei, 1947-. Pollen. Box 19. 1993, undated. https://collections.library.yale.edu/catalog/32238459.
APA, 6th edition
Berssenbrugge, Mei-mei, 1947-. (["Box 19"])(1993, undated)[Pollen]. https://collections.library.yale.edu/catalog/32238459.