[Answer] Is it acceptable to copy-and-paste a sentence written by someone else into your paper and simply add quotation marks around it?

Answer: No that is incomplete citation

Most relevant text from all around the web:

Is it acceptable to copy-and-paste a sentence written by someone else into your paper and simply add quotation marks around it? ~ Translating others' written work into another language without citation - Unethical behavior Is it acceptable to copy-and-paste a sentence written by someone else into your paper and simply add quotation marks around it? providing the full source for a quotation. It is acceptable to copy and paste a sentence written by someone else into your paper and simply add quotation marks around it. False. If you forget to cite a source in your paper that is still plagiarism . Providing the full source for a quotation It is acceptable to copy-and-paste a sentence written by someone else into your paper and simply add quotation marks around ...

Disclaimer: 

Our tool is still learning and trying its best to find the correct answer to your question. Now its your turn, "The more we share The more we have". Comment any other details to improve the description, we will update answer while you visit us next time...Kindly check our comments section, Sometimes our tool may wrong but not our users.

Are We Wrong To Think We're Right? Then Give Right Answer Below As Comment