Cita APA

Liu, S., Xu, C., Duan, T., Chen, Q., & Zhang, Q. (2011). 4,4′-Bipyridine–pyridine-3,5-dicarb­oxy­lic acid (3/4). International Union of Crystallography.

Citación estilo Chicago

Liu, Sheng-Bo, Chao Xu, Taike Duan, Qun Chen, y Qian-Feng Zhang. 4,4′-Bipyridine–pyridine-3,5-dicarb­oxy­lic Acid (3/4). International Union of Crystallography, 2011.

Cita MLA

Liu, Sheng-Bo, et al. 4,4′-Bipyridine–pyridine-3,5-dicarb­oxy­lic Acid (3/4). International Union of Crystallography, 2011.