Cita APA

Locklin, D. P. n. 1., & Locklin, D. P. n. 1. (1954). Economics of transportation (4. edition.). Homewood, Ill: R. D. Irwin.

Citación estilo Chicago

Locklin, David Philip n. 1897, y David Philip n. 1897 Locklin. Economics of Transportation. 4. edition. Homewood, Ill: R. D. Irwin, 1954.

Cita MLA

Locklin, David Philip n. 1897, y David Philip n. 1897 Locklin. Economics of Transportation. 4. edition. Homewood, Ill: R. D. Irwin, 1954.