Cita APA (7th ed.)

Judd, W. (2002). Plant systematics: A phylogenetic approach (2nd ed.). Sinauer Associates.

Cita Chicago (17th ed.)

Judd, Walter. Plant Systematics: A Phylogenetic Approach. 2nd ed. Sunderland, Mass: Sinauer Associates, 2002.

Cita MLA (9th ed.)

Judd, Walter. Plant Systematics: A Phylogenetic Approach. 2nd ed. Sinauer Associates, 2002.