APA引用形式

Berg,,Gerald, & Berg , G.. (1978). Indicators of viruses in water and food. Ann arbor science.

シカゴスタイル引用形

Berg,,Gerald, , Gerald Berg. Indicators of Viruses in Water and Food. Michigan: Ann arbor science, 1978.

MLA引用形式

Berg,,Gerald, , Gerald Berg. Indicators of Viruses in Water and Food. Ann arbor science, 1978.