APA ציטוט

 Walker, C. H. (2012).  Principles of ecotoxicology.  CRC Press.

Trích dẫn kiểu Chicago

 Walker, C. H.  Principles of Ecotoxicology.  CRC Press, 2012.

ציטוט MLA

 Walker, C. H.  Principles of Ecotoxicology.  CRC Press, 2012.