Cita APA (7a ed.)

Johnson, R. K., & Luther, J. (2007). The E-Only Tipping Point for Journals: What's Ahead in the Print-to-Electronic Transition Zone.

Cita Chicago Style (17a ed.)

Johnson, Richard K., y Judy Luther. The E-Only Tipping Point for Journals: What's Ahead in the Print-to-Electronic Transition Zone. 2007.

Cita MLA (9a ed.)

Johnson, Richard K., y Judy Luther. The E-Only Tipping Point for Journals: What's Ahead in the Print-to-Electronic Transition Zone. 2007.

Precaución: Estas citas no son 100% exactas.