Hanson, J., Williams, J. T., & Freund, R. (1984). Institutes conserving crop germplasm: The IBPGR global network of genebanks. IBPGR Secetariat.
Chicago Style (17th ed.) CitationHanson, J., J. T. Williams, and R. Freund. Institutes Conserving Crop Germplasm: The IBPGR Global Network of Genebanks. Rome: IBPGR Secetariat, 1984.
MLA (8th ed.) CitationHanson, J., et al. Institutes Conserving Crop Germplasm: The IBPGR Global Network of Genebanks. IBPGR Secetariat, 1984.
Warning: These citations may not always be 100% accurate.