APA (7th ed.) Citation

(1995). A First-Grade Math Lesson with Sue Gehn. School Development Library [Videotape].

Chicago Style (17th ed.) Citation

A First-Grade Math Lesson with Sue Gehn. School Development Library [Videotape]. 1995.

MLA (9th ed.) Citation

A First-Grade Math Lesson with Sue Gehn. School Development Library [Videotape]. 1995.

Warning: These citations may not always be 100% accurate.