Cita APA

Martínez, S., & Moor, R. (2005). Extinct and extant sand dollars (Clypeasteroida: Echinoidea) from Uruguay.

Chicago Style Citation

Martínez, Sergio, i Rich Moor. Extinct and Extant Sand Dollars (Clypeasteroida: Echinoidea) From Uruguay. 2005.

Cita MLA

Martínez, Sergio, i Rich Moor. Extinct and Extant Sand Dollars (Clypeasteroida: Echinoidea) From Uruguay. 2005.

Atenció: Aquestes cites poden no estar 100% correctes.