Cita APA (7a ed.)

Sutton, M., Briggs, D., Siveter, D., & Siveter, D. (2011). A soft-bodied lophophorate from the Silurian of England.

Cita Chicago Style (17a ed.)

Sutton, MD, D. Briggs, D. Siveter, y D. Siveter. A Soft-bodied Lophophorate from the Silurian of England. 2011.

Cita MLA (9a ed.)

Sutton, MD, et al. A Soft-bodied Lophophorate from the Silurian of England. 2011.