I did not find a common / preferred way to do this. For D3, there is a paper I can cite, but for Observable there is none as far as I know (a shame, it could be worth one!): D³ Data-Driven Documents | IEEE Journals & Magazine | IEEE Xplore So this is a question mostly towards the creators: How wo…

How to cite Observable in a scientific publication?

fheyen August 3, 2021, 9:50am 2

Furthermore, please consider to simplify citing a specific notebook, see for example:

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Use of D3 post observable Feedback	2	958	December 8, 2018
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