APA (7th ed.) Citation

(2015). Powerful perennials: Enduring flower gardens that thrive in any climate / Nedra Secrist.

Chicago Style (17th ed.) Citation

Powerful Perennials: Enduring Flower Gardens That Thrive in Any Climate / Nedra Secrist. 2015.

MLA (9th ed.) Citation

Powerful Perennials: Enduring Flower Gardens That Thrive in Any Climate / Nedra Secrist. 2015.

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