APA (7th ed.) Citation

Nowicke, J. W., & Skvarla, J. J. (1981). Pollen morphology and phylogenetic relationships of the Berberidaceae. Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Nowicke, Joan W., and John J. Skvarla. Pollen Morphology and Phylogenetic Relationships of the Berberidaceae. City of Washington: Smithsonian Institution Press, 1981.

MLA (9th ed.) Citation

Nowicke, Joan W., and John J. Skvarla. Pollen Morphology and Phylogenetic Relationships of the Berberidaceae. Smithsonian Institution Press, 1981.