Cita APA

Wolfe, G. (2000). Thinkwell's biology. [New York]: Thinkwell.Com.

Chicago Style Citation

Wolfe, George. Thinkwell's Biology. [New York]: Thinkwell.Com, 2000.

Cita MLA

Wolfe, George. Thinkwell's Biology. [New York]: Thinkwell.Com, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.