APA-viite (7. p.)

Martínez-Graña, A. M., & Agudo, J. A. S. (2021). Geological Heritage and Biodiversity in Natural and Cultural Landscapes. MDPI - Multidisciplinary Digital Publishing Institute.

Chicago-viite (17. p.)

Martínez-Graña, Antonio Miguel, ja José Ángel Sánchez Agudo. Geological Heritage and Biodiversity in Natural and Cultural Landscapes. Basel, Switzerland: MDPI - Multidisciplinary Digital Publishing Institute, 2021.

MLA-viite (9. p.)

Martínez-Graña, Antonio Miguel, ja José Ángel Sánchez Agudo. Geological Heritage and Biodiversity in Natural and Cultural Landscapes. MDPI - Multidisciplinary Digital Publishing Institute, 2021.