APA (7th ed.) Citation

Robinson, G. W., & Stapledon, R. G. (1937). Mother earth: Being letters on soil addressed to Professor R. G. Stapledon. T. Murby.

Chicago Style (17th ed.) Citation

Robinson, Gilbert Wooding, and Reginald George Stapledon. Mother Earth: Being Letters on Soil Addressed to Professor R. G. Stapledon. London: T. Murby, 1937.

MLA (9th ed.) Citation

Robinson, Gilbert Wooding, and Reginald George Stapledon. Mother Earth: Being Letters on Soil Addressed to Professor R. G. Stapledon. T. Murby, 1937.