APA (7th ed.) Citation

Hagedorn, R. K., & Bay, J. C. (1950). Bibliotheca Thordarsoniana: The sequel. Bibliographical Society of America.

Chicago Style (17th ed.) Citation

Hagedorn, Ralph K., and J. Christian Bay. Bibliotheca Thordarsoniana: The Sequel. [New York]: Bibliographical Society of America, 1950.

MLA (9th ed.) Citation

Hagedorn, Ralph K., and J. Christian Bay. Bibliotheca Thordarsoniana: The Sequel. Bibliographical Society of America, 1950.