Chicago or Turabian citation style
The Chicago notes and bibliography style is used in some disciplines at Canterbury, and a good list of examples is provided by the publisher.
Check with your department exactly which edition and version of Chicago is required by them.
Purdue's Online Writing Lab (OWL) also has a wide range of examples and helpful background on using Chicago notes and bibliography style, and their pages include a sample paper.
The University of Canterbury History department produces its own essay writing guide for students with the referencing section based on Chicago. This file can usually be found linked from relevant course pages in Learn for enrolled students.