Cita APA

Tong, J., & Erwin, D. H. (2001). Triassic gastropods of the Southern Qinling mountains, China. Washington, D.C.: Smithsonian Institution Press.

Citación estilo Chicago

Tong, Jinnan, y Douglas H. Erwin. Triassic Gastropods of the Southern Qinling Mountains, China. Washington, D.C.: Smithsonian Institution Press, 2001.

Cita MLA

Tong, Jinnan, y Douglas H. Erwin. Triassic Gastropods of the Southern Qinling Mountains, China. Washington, D.C.: Smithsonian Institution Press, 2001.