Cita APA

Shepard, H. H. n. 1., & Shepard, H. H. n. 1. (1951). The Chemistry and action of insecticides (1. edition.). Nueva York: McGraw-Hill.

Citación estilo Chicago

Shepard, Harold Henry n. 1898, y Harold Henry n. 1898 Shepard. The Chemistry and Action of Insecticides. 1. edition. Nueva York: McGraw-Hill, 1951.

Cita MLA

Shepard, Harold Henry n. 1898, y Harold Henry n. 1898 Shepard. The Chemistry and Action of Insecticides. 1. edition. Nueva York: McGraw-Hill, 1951.