APA aipamena

University, U. c. S. L. (1890). Queen Olga and Crown Princess Sophia of Greece.

Chicago Style aipamena

University, Unknown creator; St. Louis. Queen Olga and Crown Princess Sophia of Greece. 1890.

MLA aipamena

University, Unknown creator; St. Louis. Queen Olga and Crown Princess Sophia of Greece. 1890.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.