APA (7th ed.) Citation

(2021). Take Control of iOS 15 and iPadOS 15. Take Control Books.

Chicago Style (17th ed.) Citation

Take Control of IOS 15 and IPadOS 15. Take Control Books, 2021.

MLA (9th ed.) Citation

Take Control of IOS 15 and IPadOS 15. Take Control Books, 2021.

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