APA Citation

Harder, L. D., & Johnson, S. D. Function and evolution of aggregated pollen in angiosperms.

Chicago Style Citation

Harder, Lawrence D., and Steven D. Johnson. Function and Evolution of Aggregated Pollen in Angiosperms.

MLA Citation

Harder, Lawrence D., and Steven D. Johnson. Function and Evolution of Aggregated Pollen in Angiosperms.

Warning: These citations may not always be 100% accurate.