Singh, S., & Singh, T. H. (1974). Cotton in the Punjab. Punjab Agricultural University.
Chicago Style (17th ed.) CitationSingh, Sucha, and Tejinder Harpal Singh. Cotton in the Punjab. Ludhiana: Punjab Agricultural University, 1974.
MLA (9th ed.) CitationSingh, Sucha, and Tejinder Harpal Singh. Cotton in the Punjab. Punjab Agricultural University, 1974.
Warning: These citations may not always be 100% accurate.