APA (7th ed.) Citation

Wood, F. T., & Flavell, R. H. (1981). Current english usage. Petersen-Macmillan Verlagsgesellschaft mbH.

Chicago Style (17th ed.) Citation

Wood, Frederick T., and Roger H. Flavell. Current English Usage. Hamburg: Petersen-Macmillan Verlagsgesellschaft mbH, 1981.

MLA (9th ed.) Citation

Wood, Frederick T., and Roger H. Flavell. Current English Usage. Petersen-Macmillan Verlagsgesellschaft mbH, 1981.