Which is the proper format for a reference entry for Lecture Notes and$/$or Lecture Videos?

Professor's last name, initials. $($year$).[$Lecture notes on xxx $].$ Department, University. URL for lecture material.

Professor's first name. Middle initial. $($year$).$ Title of the lecture $($only first word capitalized$).$

Publication Site

Professor's last name, $[$Lecture Notes$]$ Department, & University.