Cita APA (7a ed.)
SMITH, R. L. (1966). ECOLOGY AND FIELD BIOLOGY. HARPER & ROW.
Cita Chicago Style (17a ed.)
SMITH, ROBERT LEO. ECOLOGY AND FIELD BIOLOGY. NEW YORK: HARPER & ROW, 1966.
Cita MLA (9a ed.)
SMITH, ROBERT LEO. ECOLOGY AND FIELD BIOLOGY. HARPER & ROW, 1966.
Precaución: Estas citas no son 100% exactas.