APA citiranje

Gu, C., Hao, X., Song, W., Lin, H., & Ma, D. (2008). Poly[aqua­(μ(2)-oxalato)(4-oxidopyri­din­ium)erbium(II)]. International Union of Crystallography.

Citação norma Chicago

Gu, Chang-Sheng, Xiao-Min Hao, Wen-Dong Song, Hai-Sheng Lin, and De-Yun Ma. Poly[aqua­(μ(2)-oxalato)(4-oxidopyri­din­ium)erbium(II)]. International Union of Crystallography, 2008.

MLA citiranje

Gu, Chang-Sheng, et al. Poly[aqua­(μ(2)-oxalato)(4-oxidopyri­din­ium)erbium(II)]. International Union of Crystallography, 2008.