APA (7th ed.) Citation

D'Arcy, J., & Knox, G. A. We're going metric. Heinemann Educational Books.

Chicago Style (17th ed.) Citation

D'Arcy, John, and Graham A. Knox. We're Going Metric. [London]: Heinemann Educational Books.

MLA (9th ed.) Citation

D'Arcy, John, and Graham A. Knox. We're Going Metric. Heinemann Educational Books.

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