APA (7th ed.) Citation

Skvarla, J. J., Raven, P. H., & Praglowski, J. (1975). The evolution of pollen tetrads in Onagraceae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Skvarla, John J., Peter H. Raven, and J. Praglowski. The Evolution of Pollen Tetrads in Onagraceae. [Sonderdr.]. 1975.

MLA (9th ed.) Citation

Skvarla, John J., et al. The Evolution of Pollen Tetrads in Onagraceae. [Sonderdr.]. 1975.