APA ציטוט

Ortiz, N. E., & Smith, G. R. (1994). Landfill sites, botulism and gulls. Cambridge University Press.

Citação norma Chicago

Ortiz, N. E., and G. R. Smith. Landfill Sites, Botulism and Gulls. Cambridge University Press, 1994.

ציטוט MLA

Ortiz, N. E., and G. R. Smith. Landfill Sites, Botulism and Gulls. Cambridge University Press, 1994.