APA (7th ed.) Citation

Bithell, M., Brasington, J., & Richards, K. (2008). Discrete-element, individual-based and agent-based models: Tools for interdisciplinary enquiry in geography? Geoforum, 39(2), 625. https://doi.org/10.1016/j.geoforum.2006.10.014

Chicago Style (17th ed.) Citation

Bithell, Mike, James Brasington, and Keith Richards. "Discrete-element, Individual-based and Agent-based Models: Tools for Interdisciplinary Enquiry in Geography?" Geoforum 39, no. 2 (2008): 625. https://doi.org/10.1016/j.geoforum.2006.10.014.

MLA (9th ed.) Citation

Bithell, Mike, et al. "Discrete-element, Individual-based and Agent-based Models: Tools for Interdisciplinary Enquiry in Geography?" Geoforum, vol. 39, no. 2, 2008, p. 625, https://doi.org/10.1016/j.geoforum.2006.10.014.