Cita APA (7a ed.)

Lindahl, D., & Rozek, J. (2010). The six-figure second income: How to start and grow a successful online business without quitting your day job. John Wiley & Sons, Inc..

Cita Chicago Style (17a ed.)

Lindahl, David, y Jonathan Rozek. The Six-figure Second Income: How to Start and Grow a Successful Online Business Without Quitting Your Day Job. Hoboken, New Jersey: John Wiley & Sons, Inc., 2010.

Cita MLA (8a ed.)

Lindahl, David, y Jonathan Rozek. The Six-figure Second Income: How to Start and Grow a Successful Online Business Without Quitting Your Day Job. John Wiley & Sons, Inc., 2010.