Cita APA (7a ed.)

Pfannkuche, O., Boetius, A., Lundgreen, U., Lochte, K., & Thiel, H. (1999). Pheopigments of sediment core M21/1_MC390. PANGAEA.

Cita Chicago Style (17a ed.)

Pfannkuche, Olaf, Antje Boetius, Ulrich Lundgreen, Karin Lochte, y Hjalmar Thiel. Pheopigments of Sediment Core M21/1_MC390. PANGAEA, 1999.

Cita MLA (9a ed.)

Pfannkuche, Olaf, et al. Pheopigments of Sediment Core M21/1_MC390. PANGAEA, 1999.