APA (7th ed.) Citation
Fernández López, S. R., Henriques, M. H. P., & Mangold, C. (2006). Ammonite horizons at the basal Bathonian zone (Parvum Subzone) in Cabo Mondego, Portugal. Institute of Geology Warsaw University.
Chicago Style (17th ed.) Citation
Fernández López, Sixto Rafael, María Helena Paiva Henriques, and Charles Mangold. Ammonite Horizons at the Basal Bathonian Zone (Parvum Subzone) in Cabo Mondego, Portugal. Institute of Geology Warsaw University, 2006.
MLA (9th ed.) Citation
Fernández López, Sixto Rafael, et al. Ammonite Horizons at the Basal Bathonian Zone (Parvum Subzone) in Cabo Mondego, Portugal. Institute of Geology Warsaw University, 2006.
Warning: These citations may not always be 100% accurate.