APA (7a ed.)

Evans, K. J., Symon, D. e., Whalen, M. a., Hosking, J. R., Barker, R. M., & Oliver, J. a. (2007). Systematics of the Rubus fruticosus aggregate (Rosaceae) and other exotic Rubus taxa in Australia / K. J. Evans [et al.]. Australian Systematic Botany, 20(3).