APA (7th ed.) Citation
Viney, P., & Viney, K. (1990). Grapevine. Workbook 1A (1. Edition.). Oxford University Press.
Chicago Style (17th ed.) Citation
Viney, Peter, and Karen Viney. Grapevine. Workbook 1A. 1. Edition. Oxford: Oxford University Press, 1990.
MLA (9th ed.) Citation
Viney, Peter, and Karen Viney. Grapevine. Workbook 1A. 1. Edition. Oxford University Press, 1990.
Warning: These citations may not always be 100% accurate.