APA

Kappelle M., Cleef A. M. & Van Uffelen J.Altitudinal zonation of montane Quercus forests along two transects in Chirripó National Park, Costa Rica. : .

Chicago

Kappelle Maarten, Cleef Antoine M and Van Uffelen Jan-Gerrit.Altitudinal zonation of montane Quercus forests along two transects in Chirripó National Park, Costa Rica. : .

Harvard

Kappelle M., Cleef A. M. and Van Uffelen J.Altitudinal zonation of montane Quercus forests along two transects in Chirripó National Park, Costa Rica. : .

MLA

Kappelle Maarten, Cleef Antoine M and Van Uffelen Jan-Gerrit.: . .