Schrepfer, S. R. (1983). The fight to save the redwoods: A history of environmental reform, 1917-1978. University of Wisconsin Press.
Cita Chicago (17th ed.)Schrepfer, Susan R. The Fight to Save the Redwoods: A History of Environmental Reform, 1917-1978. Madison, Wis.: University of Wisconsin Press, 1983.
Cita MLA (9th ed.)Schrepfer, Susan R. The Fight to Save the Redwoods: A History of Environmental Reform, 1917-1978. University of Wisconsin Press, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.