Cita APA (7a ed.)

Helmke, P., Romero, O. E., & Fischer, G. (2005). Sampling intervals, fluxes, percentages of total flux, organic carbon and lithogen for sediment trap CB9. PANGAEA.

Cita Chicago Style (17a ed.)

Helmke, Peer, Oscar E. Romero, y Gerhard Fischer. Sampling Intervals, Fluxes, Percentages of Total Flux, Organic Carbon and Lithogen for Sediment Trap CB9. PANGAEA, 2005.

Cita MLA (9a ed.)

Helmke, Peer, et al. Sampling Intervals, Fluxes, Percentages of Total Flux, Organic Carbon and Lithogen for Sediment Trap CB9. PANGAEA, 2005.