Cita APA

Cowen, R. 1., & Cowen, R. 1. (2000). History of life (3. edition.). Massachusetts: Blackwell Science.

Citación estilo Chicago

Cowen, Richard 1940-, y Richard 1940- Cowen. History of Life. 3. edition. Massachusetts: Blackwell Science, 2000.

Cita MLA

Cowen, Richard 1940-, y Richard 1940- Cowen. History of Life. 3. edition. Massachusetts: Blackwell Science, 2000.