Cita APA (7a ed.)

(1999). Lower Cretaceous flora from Byers Peninsula, South Shetland islands, Antarctica.

Cita Chicago Style (17a ed.)

Lower Cretaceous Flora from Byers Peninsula, South Shetland Islands, Antarctica. 1999.

Cita MLA (8a ed.)

Lower Cretaceous Flora from Byers Peninsula, South Shetland Islands, Antarctica. 1999.