Cita APA (7a ed.)

Karl, D. M. (2003). Ocean Primary Productivity at OPPWG_0243. PANGAEA.

Cita Chicago Style (17a ed.)

Karl, David Michael. Ocean Primary Productivity at OPPWG_0243. PANGAEA, 2003.

Cita MLA (9a ed.)

Karl, David Michael. Ocean Primary Productivity at OPPWG_0243. PANGAEA, 2003.