Cita APA (7a ed.)

Libby, A. (2019). Checking out with the Payment Request API: A practical introduction to the HTML5 Payment Request API using real-world examples. Apress.

Cita Chicago Style (17a ed.)

Libby, Alex. Checking Out with the Payment Request API: A Practical Introduction to the HTML5 Payment Request API Using Real-world Examples. New York: Apress, 2019.

Cita MLA (8a ed.)

Libby, Alex. Checking Out with the Payment Request API: A Practical Introduction to the HTML5 Payment Request API Using Real-world Examples. Apress, 2019.