Producing the right citation format in a short time without the need for any software

Sometimes it is needed to cite a paper while one is in a harry or has no access to a computer with installed scientific tools. In such situations citing a paper with famous citation formats such as MLA, APA or ISO 690, that expect enough information and a precise grammar, is a big challenge.
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Producing the right citation format by Google Scholar

One can use the Google Scholar (https://scholar.google.com) for producing the right citation format without any extra scientific tool (even on a cell-phone) in a very short time. You only need to search for the paper that you want to cite in the Google Scholar and then click on the " Cite" below the abstract of the paper. The Google produces the citation for you based on some of the most used formats automatically.