APA (7th ed.) Citation

Whitney, M., & Cameron, . . F. (1904). Investigations in soil fertility. [publisher not identified].

Chicago Style (17th ed.) Citation

Whitney, Milton, and F.K Cameron. Investigations in Soil Fertility. [Place of publication not identified]: [publisher not identified], 1904.

MLA (9th ed.) Citation

Whitney, Milton, and F.K Cameron. Investigations in Soil Fertility. [publisher not identified], 1904.