APA (7th ed.) Citation

Timber Press (Portland, Or.). (2003). Flora: A gardener's encyclopedia. Timber Press.

Chicago Style (17th ed.) Citation

Timber Press (Portland, Or.). Flora: A Gardener's Encyclopedia. Portland, Or.: Timber Press, 2003.

MLA (8th ed.) Citation

Timber Press (Portland, Or.). Flora: A Gardener's Encyclopedia. Timber Press, 2003.

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