APA

Pendergrast J. G., Cowley D. R., . (1966). An introduction to New Zealand freshwater insects. Auckland: Collins.

Chicago

Pendergrast J G, Cowley D R, . 1966. An introduction to New Zealand freshwater insects. Auckland: Collins.

Harvard

Pendergrast J. G., Cowley D. R., . (1966). An introduction to New Zealand freshwater insects. Auckland: Collins.

MLA

Pendergrast J G, Cowley D R, . An introduction to New Zealand freshwater insects. Auckland: Collins. 1966.