APA

State University. Extension Service, O., State University. Department of Horticulture, O., Brewer, L., Burt, L., White, L., Sugar, D., Strik, 1., Skinkis, P., Seavert, C., Regan, R., Olsen, J., McReynolds, B., Kaiser, C., Fletcher, R., Cook, T., Castagnoli, S., Bondi, M., Azarenko, A., Andrews, N., Mertz, C., Chilton, M., & Weeks, T. EM8981n_SpecialtyOrnamentals.pdf.