APA (7th ed.) Citation

Romer, M. (2016). PHP Persistence: Concepts, Techniques and Practical Solutions with Doctrine. Apress. https://doi.org/10.1007/978-1-4842-2559-2

Chicago Style (17th ed.) Citation

Romer, Michael. PHP Persistence: Concepts, Techniques and Practical Solutions with Doctrine. Berkeley, CA: Apress, 2016. https://doi.org/10.1007/978-1-4842-2559-2.

MLA (9th ed.) Citation

Romer, Michael. PHP Persistence: Concepts, Techniques and Practical Solutions with Doctrine. Apress, 2016. https://doi.org/10.1007/978-1-4842-2559-2.