APA (7th ed.) Citation

Peacock, G., & Nick Sharratt. (1990). Science workbook. Walker Books.

Chicago Style (17th ed.) Citation

Peacock, Graham, and Nick Sharratt. Science Workbook. London: Walker Books, 1990.

MLA (9th ed.) Citation

Peacock, Graham, and Nick Sharratt. Science Workbook. Walker Books, 1990.

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