APA (7th ed.) Citation

Pietro, R. J. d. (1978). Language structures in contrast (Rev. ed.). Newbury House Publ.

Chicago Style (17th ed.) Citation

Pietro, Robert J. di. Language Structures in Contrast. Rev. ed. Rowley, Mass: Newbury House Publ, 1978.

MLA (9th ed.) Citation

Pietro, Robert J. di. Language Structures in Contrast. Rev. ed. Newbury House Publ, 1978.