Citazione Stile APA (7a Edizione)

Judd, W. S., Campbell, C. S., Kellogg, E. A., & Stevens, P. F. (2008). Plant systematics: A phylogenetic approach (Third edition.). Sinauer Associates.

Citazione stile Chigago Style (17a edizione)

Judd, Walter S., Christopher S. Campbell, Elizabeth A. Kellogg, e Peter F. Stevens. Plant Systematics: A Phylogenetic Approach. Third edition. Sunderland, MA: Sinauer Associates, 2008.

Citatione MLA (9a ed.)

Judd, Walter S., et al. Plant Systematics: A Phylogenetic Approach. Third edition. Sinauer Associates, 2008.