Cita APA (7a ed.)
Seidl, A. (2009). Early spring: An ecologist and her children wake to a warming world. Beacon Press.
Cita Chicago Style (17a ed.)
Seidl, Amy. Early Spring: An Ecologist and Her Children Wake to a Warming World. Boston: Beacon Press, 2009.
Cita MLA (9a ed.)
Seidl, Amy. Early Spring: An Ecologist and Her Children Wake to a Warming World. Beacon Press, 2009.
Precaución: Estas citas no son 100% exactas.