Cita APA (7a ed.)

Wahl, E., & Hickel, W. (2008). Hydrochemistry and phytoplankton abundance at time series station Helgoland Roads, North Sea, in 1996. PANGAEA.

Cita Chicago Style (17a ed.)

Wahl, E., y Wolfgang Hickel. Hydrochemistry and Phytoplankton Abundance at Time Series Station Helgoland Roads, North Sea, in 1996. PANGAEA, 2008.

Cita MLA (9a ed.)

Wahl, E., y Wolfgang Hickel. Hydrochemistry and Phytoplankton Abundance at Time Series Station Helgoland Roads, North Sea, in 1996. PANGAEA, 2008.