APA (7th ed.) Zitazioa
Seidl, A. (2009). Early spring: An ecologist and her children wake to a warming world. Beacon Press.
Chicago Style (17th ed.) Zitazioa
Seidl, Amy. Early Spring: An Ecologist and Her Children Wake to a Warming World. Boston: Beacon Press, 2009.
MLA (9th ed.) Zitazioa
Seidl, Amy. Early Spring: An Ecologist and Her Children Wake to a Warming World. Beacon Press, 2009.
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