APA Citation

Ritchie, J A.(1969). Bentonites of Canterbury. New Zealand Journal of Geology and Geophysics, 12(4), 583-608. doi:10.1080/00288306.1969.10431099

MLA Citation

Ritchie, J. A. "Bentonites of Canterbury". New Zealand Journal of Geology and Geophysics, 12.4 ( 1969 ): 583-608.

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