Cita APA (7a ed.)

Corona, R. (2020). A guide to creating a sustainable online business: How to earn an income online with your own business. [editor no identificado].

Cita Chicago Style (17a ed.)

Corona, Richard. A Guide to Creating a Sustainable Online Business: How to Earn an Income Online with Your Own Business. [Lugar de publicación no identificado]: [editor no identificado], 2020.

Cita MLA (9a ed.)

Corona, Richard. A Guide to Creating a Sustainable Online Business: How to Earn an Income Online with Your Own Business. [editor no identificado], 2020.