APA

Pujar, A., Jaiswal, P., Kellogg, E., Ilic, K., Vincent, L., Avraham, S., Stevens, P., Zapata, F., Reiser, L., Rhee, S., Sachs, M., Schaeffer, M., Stein, L., Ware, D., & McCouch, S. (2006). Whole-Plant Growth Stage Ontology for Angiosperms and Its Application in Plant Biology. : American Society of Plant Biologists.