Cita APA (7th ed.)

Judd, W. S., Campbell, C. S., & Kellogg, E. A. Plant Systematics: A Phylogenetic Approach (3rd ed.). Unknown.

Cita Chicago (17th ed.)

Judd, Walter S., Christopher S. Campbell, i Elizabeth A. Kellogg. Plant Systematics: A Phylogenetic Approach. 3rd ed. Unknown: Unknown.

Cita MLA (9th ed.)

Judd, Walter S., et al. Plant Systematics: A Phylogenetic Approach. 3rd ed. Unknown.