Cita APA (7a ed.)

Barnard, C. J., Gilbert, F. S., & McGregor, P. K. (2011). Asking questions in biology: A guide to hypothesis testing, experimental design and presentation in practical work and research projects (Fourth edition.). Benjamin Cummings.

Cita Chicago Style (17a ed.)

Barnard, C. J., Francis S. Gilbert, y Peter K. McGregor. Asking Questions in Biology: A Guide to Hypothesis Testing, Experimental Design and Presentation in Practical Work and Research Projects. Fourth edition. Harlow, England: Benjamin Cummings, 2011.

Cita MLA (8a ed.)

Barnard, C. J., et al. Asking Questions in Biology: A Guide to Hypothesis Testing, Experimental Design and Presentation in Practical Work and Research Projects. Fourth edition. Benjamin Cummings, 2011.