TMW Media (Firm),$4dst, & Kanopy (Firm),$4dst. (2005). Physics 3 Tutor (Electricity & Magnetism): Learning By Example. Electric Field Due To a Point Charge Part 2. TMW Media.
Chicago Style (17th ed.) CitationTMW Media (Firm),$4dst, and Kanopy (Firm),$4dst. Physics 3 Tutor (Electricity & Magnetism): Learning By Example. Electric Field Due To a Point Charge Part 2. [San Francisco, California, USA]: TMW Media, 2005.
MLA (9th ed.) CitationTMW Media (Firm),$4dst, and Kanopy (Firm),$4dst. Physics 3 Tutor (Electricity & Magnetism): Learning By Example. Electric Field Due To a Point Charge Part 2. TMW Media, 2005.
Warning: These citations may not always be 100% accurate.