Cita APA (7a ed.)

Celente, G. (1998). Trends 2000: How to prepare for and profit from the changes of the 21st century (1st trade printing.). Warner.

Cita Chicago Style (17a ed.)

Celente, Gerald. Trends 2000: How to Prepare for and Profit from the Changes of the 21st Century. 1st trade printing. New York: Warner, 1998.

Cita MLA (9a ed.)

Celente, Gerald. Trends 2000: How to Prepare for and Profit from the Changes of the 21st Century. 1st trade printing. Warner, 1998.

Precaución: Estas citas no son 100% exactas.