Gray, A. N. (1944). Phosphates and superphosphate. Pub. under the auspices of the International superphosphate manufacturers' association by E. T. Heron & co., ltd..
Chicago Style (17th ed.) CitationGray, A. N. Phosphates and Superphosphate. London: Pub. under the auspices of the International superphosphate manufacturers' association by E. T. Heron & co., ltd., 1944.
MLA (9th ed.) CitationGray, A. N. Phosphates and Superphosphate. Pub. under the auspices of the International superphosphate manufacturers' association by E. T. Heron & co., ltd., 1944.
Warning: These citations may not always be 100% accurate.