APA (7th ed.) Citation

Catlin, J., Hughes, M. P., Jones, T., Jones, R., & Campbell, R. (2013). Valuing individual animals through tourism: Science or speculation? Elsevier.

Chicago Style (17th ed.) Citation

Catlin, James, Michael Phillip Hughes, Tod Jones, Roy Jones, and R. Campbell. Valuing Individual Animals Through Tourism: Science or Speculation? Elsevier, 2013.

MLA (9th ed.) Citation

Catlin, James, et al. Valuing Individual Animals Through Tourism: Science or Speculation? Elsevier, 2013.