APA

Wacker W., Taylor J. & Means H. B. (1998). The 500-year delta: what happens after what comes next. New York, NY: HarperBusiness.

Chicago

Wacker Watts, Taylor Jim and Means Howard B. 1998. The 500-year delta: what happens after what comes next. New York, NY: HarperBusiness.

Harvard

Wacker W., Taylor J. and Means H. B. (1998). The 500-year delta: what happens after what comes next. New York, NY: HarperBusiness.

MLA

Wacker Watts, Taylor Jim and Means Howard B. The 500-year delta: what happens after what comes next. New York, NY: HarperBusiness. 1998.