Παραπομπή σε μορφή APA (7η εκδ.)

Beltran, J., & Smith, J. (2017). Ecological and evolutionary significance of crassulacean acid metabolism in the montane genus puya (Bromeliaceae).

Παραπομπή σε μορφή Chicago (17η εκδ.)

Beltran, J., και J. Smith. Ecological and Evolutionary Significance of Crassulacean Acid Metabolism in the Montane Genus Puya (Bromeliaceae). 2017.

Παραπομπή σε μορφή MLA (9th εκδ.)

Beltran, J., και J. Smith. Ecological and Evolutionary Significance of Crassulacean Acid Metabolism in the Montane Genus Puya (Bromeliaceae). 2017.