Farr, E. R., Leussink, J. A., & Zijlstra, G. (1986). Index nominum genericorum (plantarum): Supplementum I. Scheltema & Holkema.
Chicago Style (17th ed.) CitationFarr, Ellen R., Jan A. Leussink, and Gea Zijlstra. Index Nominum Genericorum (plantarum): Supplementum I. Bohn: Scheltema & Holkema, 1986.
MLA (8th ed.) CitationFarr, Ellen R., et al. Index Nominum Genericorum (plantarum): Supplementum I. Scheltema & Holkema, 1986.
Warning: These citations may not always be 100% accurate.