Cita APA (7a ed.)

Stilwell, J. D., & Long, J. A. (2011). Frozen in time: Prehistoric life in Antarctica. CSIRO Publishing.

Cita Chicago Style (17a ed.)

Stilwell, Jeffrey D., y John A. Long. Frozen in Time: Prehistoric Life in Antarctica. Collingwood, Vic.: CSIRO Publishing, 2011.

Cita MLA (8a ed.)

Stilwell, Jeffrey D., y John A. Long. Frozen in Time: Prehistoric Life in Antarctica. CSIRO Publishing, 2011.