Cita APA (7a ed.)

Schmidt, O. (1847). Remarks on Opalina Naïdos, an Entozoon found in the Naïadæ. Zenodo.

Cita Chicago Style (17a ed.)

Schmidt, Oscar. Remarks on Opalina Naïdos, an Entozoon Found in the Naïadæ. Zenodo, 1847.

Cita MLA (9a ed.)

Schmidt, Oscar. Remarks on Opalina Naïdos, an Entozoon Found in the Naïadæ. Zenodo, 1847.