Cita APA (7a ed.)

Turvey, S., & Siveter, D. (2007). Assignment of the South Chinese Ordovician trilobite calymene paronai to Neseuretus.

Cita Chicago Style (17a ed.)

Turvey, S., y D. Siveter. Assignment of the South Chinese Ordovician Trilobite Calymene Paronai to Neseuretus. 2007.

Cita MLA (9a ed.)

Turvey, S., y D. Siveter. Assignment of the South Chinese Ordovician Trilobite Calymene Paronai to Neseuretus. 2007.