APA引文

Muhammad, N., Tahir, M. N., Zia-ur-Rehman,, & Ali, S. (2008). 2-(4-Ethoxy­benzyl­idene)butanoic acid. International Union of Crystallography.

Citação norma Chicago

Muhammad, Niaz, M. Nawaz Tahir, Zia-ur-Rehman, and Saqib Ali. 2-(4-Ethoxy­benzyl­idene)butanoic Acid. International Union of Crystallography, 2008.

MLA引文

Muhammad, Niaz, M. Nawaz Tahir, Zia-ur-Rehman, and Saqib Ali. 2-(4-Ethoxy­benzyl­idene)butanoic Acid. International Union of Crystallography, 2008.

警告：這些引文格式不一定是100％准確.