APA (7th ed.) Citation

Documentary Educational Resources (Firm),$4dst, & Kanopy (Firm),$4dst. (1992). Highlands Trilogy. Documentary Educational Resources.

Chicago Style (17th ed.) Citation

Documentary Educational Resources (Firm),$4dst, and Kanopy (Firm),$4dst. Highlands Trilogy. [San Francisco, California, USA]: Documentary Educational Resources, 1992.

MLA (9th ed.) Citation

Documentary Educational Resources (Firm),$4dst, and Kanopy (Firm),$4dst. Highlands Trilogy. Documentary Educational Resources, 1992.