APA (7th ed.) Citation

Pietro, R. J. (1971). Language structures in contrast. Newbury House Publishers.

Chicago Style (17th ed.) Citation

Pietro, Robert J. Language Structures in Contrast. Rowley, Mass: Newbury House Publishers, 1971.

MLA (9th ed.) Citation

Pietro, Robert J. Language Structures in Contrast. Newbury House Publishers, 1971.

Warning: These citations may not always be 100% accurate.