Shapiro, A. M. (2007). Field guide to butterflies of the San Francisco Bay and Sacramento Valley regions. University of California Press.
Citación estilo ChicagoShapiro, Arthur M. Field Guide to Butterflies of the San Francisco Bay and Sacramento Valley Regions. Berkeley: University of California Press, 2007.
Cita MLAShapiro, Arthur M. Field Guide to Butterflies of the San Francisco Bay and Sacramento Valley Regions. University of California Press, 2007.
Warning: These citations may not always be 100% accurate.