APA Style

Papers of the IBPGR workshop on ..., held at The National Institute of Agrobiological Resources, Tsukuba, Ibaraki, Japan, 18-20 September 1991. (1992). Tsukuba, Ibaraki, Japan: IBPGR.

MLA Style

Papers of the IBPGR workshop on ..., held at The National Institute of Agrobiological Resources, Tsukuba, Ibaraki, Japan, 18-20 September 1991. . Tsukuba, Ibaraki, Japan: IBPGR, 1992. Electronic resources.