Author, A. or Corporate Author. (n.d.). Title of webpage in italics. Retrieval information
Example—reference list entry
Department of Conservation. (n.d.). New Zealand’s marine environment. Retrieved from http://www.doc.govt.nz/conservation/marine-and-coastal/new-zealands-marine-environment/
Example—in-text citation
The Department of Conservation (n.d.) estimates that … (para. 4).
or
… (Department of Conservation, n.d., para. 4).