APA-Zitierstil (7. Ausg.)

Keller, R. (2004). Identification of tropical woody plants in the absence of flowers: A field guide (2. ed.). Birkhäuser.

Chicago-Zitierstil (17. Ausg.)

Keller, Roland. Identification of Tropical Woody Plants in the Absence of Flowers: A Field Guide. 2. ed. Basel [u.a.]: Birkhäuser, 2004.

MLA-Zitierstil (9. Ausg.)

Keller, Roland. Identification of Tropical Woody Plants in the Absence of Flowers: A Field Guide. 2. ed. Birkhäuser, 2004.