In order to provide a correct format, can you provide the below information?
1. In what capacity would you like to cite the developer reference? As a student, researcher or a professional?
2. What kind of documentation would you like to cite into? Is it a technical paper, journal, conference paper/presentation?
Intel does not enforce any format when it comes to conference paper citations. You may use any of the citation formats out there and can refer to other papers that may have cited Intel MKL to get an idea of how to do so.
I hope that helps. Thank you.