Citazione APA

Higham, J., Bejder, L., & Williams, R. (2014). Whale-watching: Sustainable tourism and ecological management. Cambridge University Press.

Stile di citazione Chicago

Higham, James, Lars Bejder, e Rob Williams. Whale-watching: Sustainable Tourism and Ecological Management. Cambridge: Cambridge University Press, 2014.

Citazione MLA

Higham, James, et al. Whale-watching: Sustainable Tourism and Ecological Management. Cambridge University Press, 2014.