APA (7th ed.) Citation

Gutierrez-Marco, J. C., Loydell, D., & Storch, P. The Silurian Section of the Valle syncline (Sierra Norte de Sevilla UNESCO Global Geopark, Spain) as an International Standard for Graptolite Biostratigraphy. OICC Press.

Chicago Style (17th ed.) Citation

Gutierrez-Marco, Juan Carlos, David Loydell, and Petr Storch. The Silurian Section of the Valle Syncline (Sierra Norte De Sevilla UNESCO Global Geopark, Spain) as an International Standard for Graptolite Biostratigraphy. OICC Press.

MLA (9th ed.) Citation

Gutierrez-Marco, Juan Carlos, et al. The Silurian Section of the Valle Syncline (Sierra Norte De Sevilla UNESCO Global Geopark, Spain) as an International Standard for Graptolite Biostratigraphy. OICC Press.