Cita APA (7th ed.)
Wertz, W. R. (2014). Lynton Keith Caldwell: An environmental visionary and the national environmental policy act. Indiana University Press.
Cita Chicago (17th ed.)
Wertz, Wendy Read. Lynton Keith Caldwell: An Environmental Visionary and the National Environmental Policy Act. Bloomington, Indiana: Indiana University Press, 2014.
Cita MLA (9th ed.)
Wertz, Wendy Read. Lynton Keith Caldwell: An Environmental Visionary and the National Environmental Policy Act. Indiana University Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.