एपीए उद्धरण

Varela-Romero, A., Myers, T. L., Sorensen, J., & Abarca, F. (2013). TAXONOMIC STATUS AND PHYLOGENY OF THE SAN BERNARDINO SPRING SNAIL POPULATIONS INTO THE GENUS PYRGULOPSIS IN SONORA AND ARIZONA. Universidad de Sonora.

शिकागो स्टाइल उद्धरण

Varela-Romero, Alejandro, Terry L. Myers, Jeff Sorensen, और Francisco Abarca. TAXONOMIC STATUS AND PHYLOGENY OF THE SAN BERNARDINO SPRING SNAIL POPULATIONS INTO THE GENUS PYRGULOPSIS IN SONORA AND ARIZONA. Universidad de Sonora, 2013.

एमएलए उद्धरण

Varela-Romero, Alejandro, Terry L. Myers, Jeff Sorensen, और Francisco Abarca. TAXONOMIC STATUS AND PHYLOGENY OF THE SAN BERNARDINO SPRING SNAIL POPULATIONS INTO THE GENUS PYRGULOPSIS IN SONORA AND ARIZONA. Universidad de Sonora, 2013.