APA Citation

Ruiz, A. (1959). Notes on Costa Rican Opalinids. I. Opalina moreletei Metcalf.

Chicago Style Citation

Ruiz, Armando. Notes On Costa Rican Opalinids. I. Opalina Moreletei Metcalf. 1959.

MLA Citation

Ruiz, Armando. Notes On Costa Rican Opalinids. I. Opalina Moreletei Metcalf. 1959.

Warning: These citations may not always be 100% accurate.