APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Wood, Frederick T., et al. Current English Usage. Petersen-Macmillan Verlagsgesellschaft mbH, 1981.