Cita APA (7a ed.)

Liebig, K. (1997). Fossil icroorganisms from the eocene messel oil shale of Southern Hesse, Germany.

Cita Chicago Style (17a ed.)

Liebig, Karin. Fossil Icroorganisms from the Eocene Messel Oil Shale of Southern Hesse, Germany. 1997.

Cita MLA (9a ed.)

Liebig, Karin. Fossil Icroorganisms from the Eocene Messel Oil Shale of Southern Hesse, Germany. 1997.