APA (7th ed.) Citation

(1991). Orchideen der Welt. Herder.

Chicago Style (17th ed.) Citation

Orchideen Der Welt. Freiburg [u.a.]: Herder, 1991.

MLA (9th ed.) Citation

Orchideen Der Welt. Herder, 1991.

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