APA (7th ed.) Citation

Valentine, J. H. (1941). Some cation properties of Lufkin fine sandy loam as affected by various long-time fertilizer experiments. [publisher not identified].

Chicago Style (17th ed.) Citation

Valentine, James Hardy. Some Cation Properties of Lufkin Fine Sandy Loam as Affected by Various Long-time Fertilizer Experiments. (College Station, Texas): [publisher not identified], 1941.

MLA (9th ed.) Citation

Valentine, James Hardy. Some Cation Properties of Lufkin Fine Sandy Loam as Affected by Various Long-time Fertilizer Experiments. [publisher not identified], 1941.