Cita APA (7th ed.)

Judd, W. S., Campbell, C. S., Kellogg, E. A., Stevens, P. F., & Donoghue, M. J. (2018). Plant systematics: A phylogenetic approach (Fourth edition.). Sinauer Associates, Inc.

Cita Chicago (17th ed.)

Judd, Walter Stephen, Christopher S. Campbell, Elizabeth Anne Kellogg, Peter Francis Stevens, i Michael John Donoghue. Plant Systematics: A Phylogenetic Approach. Fourth edition. Sunderland, Mass., USA: Sinauer Associates, Inc, 2018.

Cita MLA (9th ed.)

Judd, Walter Stephen, et al. Plant Systematics: A Phylogenetic Approach. Fourth edition. Sinauer Associates, Inc, 2018.