Cita APA

Barnard, C., Gilbert, F., & McGregor, P. (1993). Asking questions in biology. New York: Longman Scientific & Technical.

Citación estilo Chicago

Barnard, Chris, Francis Gilbert, and Peter McGregor. Asking Questions in Biology. New York: Longman Scientific & Technical, 1993.

Cita MLA

Barnard, Chris, Francis Gilbert, and Peter McGregor. Asking Questions in Biology. New York: Longman Scientific & Technical, 1993.