Cita APA (7th ed.)

Hempel, G. (1994). Antartic science: Global concerns. Springer.

Cita Chicago (17th ed.)

Hempel, Gotthilf. Antartic Science: Global Concerns. Berlín: Springer, 1994.

Cita MLA (9th ed.)

Hempel, Gotthilf. Antartic Science: Global Concerns. Springer, 1994.