APA način citiranja

Gerlach, G., & Pupulin, F. (2020). Stanhopeinae Mesoamericanae VI. On the identity of Polycycnis barbata (Orchidaceae), and other notes on the genus Polycycnis.

Čikaški stil citiranja

Gerlach, Günter, i Franco Pupulin. Stanhopeinae Mesoamericanae VI. On the Identity of Polycycnis Barbata (Orchidaceae), and Other Notes On the Genus Polycycnis. 2020.

MLA način citiranja

Gerlach, Günter, i Franco Pupulin. Stanhopeinae Mesoamericanae VI. On the Identity of Polycycnis Barbata (Orchidaceae), and Other Notes On the Genus Polycycnis. 2020.