APA način citiranja

Lundgren, P., Protti, M., Donnellan, A., Heflin, M., Hernández, E., & Jefferson, D. (1999). Seismic cycle and plate margin deformation in Costa Rica: GPS observations from 1994 to 1997.

Čikaški stil citiranja

Lundgren, P., Marino Protti, Andrea Donnellan, M. Heflin, E. Hernández, i D. Jefferson. Seismic Cycle and Plate Margin Deformation in Costa Rica: GPS Observations From 1994 to 1997. 1999.

MLA način citiranja

Lundgren, P., et al. Seismic Cycle and Plate Margin Deformation in Costa Rica: GPS Observations From 1994 to 1997. 1999.