APA (7th ed.) Citation

Köhlein, F. (1987). Iris. Timber Press.

Chicago Style (17th ed.) Citation

Köhlein, Fritz. Iris. Portland, Or.: Timber Press, 1987.

MLA (9th ed.) Citation

Köhlein, Fritz. Iris. Timber Press, 1987.

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