APA (7th ed.) Citation

Crystal, D., & Davy, D. c. 2. J. (1969). Investigating English style. Longmans.

Chicago Style (17th ed.) Citation

Crystal, David, and Derek ca. 20./21. Jahrhundert Davy. Investigating English Style. London [u.a.]: Longmans, 1969.

MLA (9th ed.) Citation

Crystal, David, and Derek ca. 20./21. Jahrhundert Davy. Investigating English Style. Longmans, 1969.