APA (7th ed.) Citation

Judd, W. S. (1999). Plant systematics: A phylogenetic approach. Sinauer Associates.

Chicago Style (17th ed.) Citation

Judd, Walter S. Plant Systematics: A Phylogenetic Approach. Sunderland, MA: Sinauer Associates, 1999.

MLA (9th ed.) Citation

Judd, Walter S. Plant Systematics: A Phylogenetic Approach. Sinauer Associates, 1999.