Pettit, T. S. (1966). A guide to nature projects. W.W.Norton.
Citación estilo ChicagoPettit, Ted S. A Guide to Nature Projects. New York: W.W.Norton, 1966.
Cita MLAPettit, Ted S. A Guide to Nature Projects. W.W.Norton, 1966.
Warning: These citations may not always be 100% accurate.