APA

Richardson D. M., Pysek P., Rejmanek M., Barbour M. G., Panetta D. & West C. J.Naturalization and invasion of alien plants. : .

Chicago

Richardson David M, Pysek Petr, Rejmanek Marcel, Barbour Michael G, Panetta Dane and West Carol J.Naturalization and invasion of alien plants. : .

Harvard

Richardson D. M., Pysek P., Rejmanek M., Barbour M. G., Panetta D. and West C. J.Naturalization and invasion of alien plants. : .

MLA

Richardson David M, Pysek Petr, Rejmanek Marcel, Barbour Michael G, Panetta Dane and West Carol J.: . .