APA (7th ed.) Citation

University, U. c. S. L. 1960s - Classroom, etc.

Chicago Style (17th ed.) Citation

University, Unknown creator; St. Louis. 1960s - Classroom, Etc.

MLA (8th ed.) Citation

University, Unknown creator; St. Louis. 1960s - Classroom, Etc.

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