GUGGISBERG, C. (1970). Man and wildlife.: C.A.W. Guggisberg. Acro.
Cita Chicago (17th ed.)GUGGISBERG, C.A.W. Man and Wildlife.: C.A.W. Guggisberg. New York: Acro, 1970.
Cita MLA (9th ed.)GUGGISBERG, C.A.W. Man and Wildlife.: C.A.W. Guggisberg. Acro, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.