APA (7th ed.) Citation

University, U. c. S. L. (1868). King George I and Queen Olga of Greece.

Chicago Style (17th ed.) Citation

University, Unknown creator; St. Louis. King George I and Queen Olga of Greece. 1868.

MLA (8th ed.) Citation

University, Unknown creator; St. Louis. King George I and Queen Olga of Greece. 1868.

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