APA Alıntı

Shepard, P., & Shepard, F. R. (1999). Encounters with nature: Essays. Washington, D.C.: Island Press [for] Shearwater Books.

Chicago Stili Alıntı

Shepard, Paul, ve Florence R. Shepard. Encounters With Nature: Essays. Washington, D.C.: Island Press [for] Shearwater Books, 1999.

MLA Alıntı

Shepard, Paul, ve Florence R. Shepard. Encounters With Nature: Essays. Washington, D.C.: Island Press [for] Shearwater Books, 1999.