APA (7th ed.) Citation

Lockhart, J. (2015). Modern PHP: New features and good practices. O'Reilly Media.

Chicago Style (17th ed.) Citation

Lockhart, Josh. Modern PHP: New Features and Good Practices. Sebastopol, California: O'Reilly Media, 2015.

MLA (9th ed.) Citation

Lockhart, Josh. Modern PHP: New Features and Good Practices. O'Reilly Media, 2015.

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