APA (7th ed.) Citation

Phillips, T., & Phillips, A. (1996). Impact: Workbook. MacMillan Education LTD.

Chicago Style (17th ed.) Citation

Phillips, Terry, and Anna Phillips. Impact: Workbook. São Paulo, SP: MacMillan Education LTD, 1996.

MLA (9th ed.) Citation

Phillips, Terry, and Anna Phillips. Impact: Workbook. MacMillan Education LTD, 1996.

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