APA Style

Shepard, Paul, Shepard, Florence R.. (1999). Encounters with nature : essays / Paul Shepard; edeited by Florence R. Shepard . Washington: Island Press.

Chicago Style

Shepard, Paul, Shepard, Florence R.. Encounters with nature : essays / Paul Shepard; edeited by Florence R. Shepard. Washington: Island Press, 1999. Text.

MLA Style

Shepard, Paul, Shepard, Florence R.. Encounters with nature : essays / Paul Shepard; edeited by Florence R. Shepard. Washington: Island Press, 1999. Text.

Turabian Style

Shepard, Paul, Shepard, Florence R.. Encounters with nature : essays / Paul Shepard; edeited by Florence R. Shepard. Washington: Island Press, 1999. Print.