APA (7th ed.) Citation

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.) Citation

Gray, 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.) Citation

Gray, A. N. Phosphates and Superphosphate. Pub. under the auspices of the International superphosphate manufacturers' association by E. T. Heron & co., ltd., 1944.