Cita APA (7th ed.)

Shepard, H. H. (1951). The chemistry and action of insecticides. McGraw-Hill.

Cita Chicago (17th ed.)

Shepard, Harold H. The Chemistry and Action of Insecticides. Nueva York: McGraw-Hill, 1951.

Cita MLA (9th ed.)

Shepard, Harold H. The Chemistry and Action of Insecticides. McGraw-Hill, 1951.