What is the most obvious difference between the IEEE citation format and the APA and MLA citation formats?

Group of answer choices

The IEEE citation format references citations with numbers, while the APA and MLA formats reference citations with the author's name and the year of the source.

The IEEE citation format demonstrates that engineers are cold, heartless automatons.

The IEEE bibliography format includes the author, while the APA and MLA formats do not.

The IEEE bibliography format does not include a publication year, while the APA and MLA formats do$.$