Judd, W. S., Campbell, C. S., Kellogg, E. A., Stevens, P. F., & Donoghue, M. J. (2002). Plant systematics: A phylogenetic approach (2. ed.). Sinauer.
Chicago Style (17th ed.) CitationJudd, Walter S., Christopher S. Campbell, Elizabeth A. Kellogg, Peter F. Stevens, and Michael J. Donoghue. Plant Systematics: A Phylogenetic Approach. 2. ed. Sunderland: Sinauer, 2002.
MLA (9th ed.) CitationJudd, Walter S., et al. Plant Systematics: A Phylogenetic Approach. 2. ed. Sinauer, 2002.