Стиль цитування APA (7-ме видання)

Ryan, D. (2021). Understanding digital marketing: A complete guide to engaging customers and implementing successful digital campaigns (Fifth edition.).

Чикаго стиль цитування (17-те видання)

Ryan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth edition. :, 2021.

Стиль цитування MLA (9-ме видання)

Ryan, Damian. Understanding Digital Marketing: A Complete Guide to Engaging Customers and Implementing Successful Digital Campaigns. Fifth edition. 2021.