Cita APA (7th ed.)

Gould, S. J. (2002). I have landed: The end of a beginning in natural history. Harmony Books.

Cita Chicago (17th ed.)

Gould, Stephen Jay. I Have Landed: The End of a Beginning in Natural History. New York: Harmony Books, 2002.

Cita MLA (9th ed.)

Gould, Stephen Jay. I Have Landed: The End of a Beginning in Natural History. Harmony Books, 2002.