APA

Marrs R. H., Proctor J., Herney A. & Mountford M. D.Changes in soil nitrogen-mineralization and nitrification along an altitudinal transect in tropical rain forest in Costa Rica. : .

Chicago

Marrs R H, Proctor John, Herney A and Mountford M D.Changes in soil nitrogen-mineralization and nitrification along an altitudinal transect in tropical rain forest in Costa Rica. : .

Harvard

Marrs R. H., Proctor J., Herney A. and Mountford M. D.Changes in soil nitrogen-mineralization and nitrification along an altitudinal transect in tropical rain forest in Costa Rica. : .

MLA

Marrs R H, Proctor John, Herney A and Mountford M D.: . .