Cita APA (7th ed.)

Thomas, L. (1992). The fragile species. Charles Scribner's Sons.

Cita Chicago (17th ed.)

Thomas, Lewis. The Fragile Species. New York: Charles Scribner's Sons, 1992.

Cita MLA (9th ed.)

Thomas, Lewis. The Fragile Species. Charles Scribner's Sons, 1992.