APA (7th ed.) Citation

(1992). Herbaceous perennials (1. publ.). Cassell.

Chicago Style (17th ed.) Citation

Herbaceous Perennials. 1. publ. London: Cassell, 1992.

MLA (9th ed.) Citation

Herbaceous Perennials. 1. publ. Cassell, 1992.

Warning: These citations may not always be 100% accurate.