Grewal, G. S. (1954). The effects of spacing on yield and other agronomic characters in three varieties of upland cotton. [publisher not identified].
Chicago Style (17th ed.) CitationGrewal, Guriqbal Singh. The Effects of Spacing on Yield and Other Agronomic Characters in Three Varieties of Upland Cotton. [College Station, Tex.]: [publisher not identified], 1954.
MLA (9th ed.) CitationGrewal, Guriqbal Singh. The Effects of Spacing on Yield and Other Agronomic Characters in Three Varieties of Upland Cotton. [publisher not identified], 1954.
Warning: These citations may not always be 100% accurate.