APA (7e ed.) Bronvermelding

Freeman, S., Allison, L. A., Black, M., & Podgorski, G. (2014). Biological science (Fifth edition.). Pearson.

Chicago (17e ed.) Bronvermelding

Freeman, Scott, Lizabeth Ann Allison, Michael Black, en Greg Podgorski. Biological Science. Fifth edition. Boston: Pearson, 2014.

MLA (9e ed.) Bronvermelding

Freeman, Scott, et al. Biological Science. Fifth edition. Pearson, 2014.