APA (7th ed.) Citation

MacKay, C. E., & MacKay, I. C. (2014). The Sycamore seeds: Early British helicopter development. A MacKay.

Chicago Style (17th ed.) Citation

MacKay, Charles E., and Iain C. MacKay. The Sycamore Seeds: Early British Helicopter Development. [Kelvindale]: A MacKay, 2014.

MLA (9th ed.) Citation

MacKay, Charles E., and Iain C. MacKay. The Sycamore Seeds: Early British Helicopter Development. A MacKay, 2014.

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