APA (7th ed.) Citation

Learned, M. D. (1912). Guide to the manuscript materials relating to American history in the German State Archives. Carnegie Institution of Washington.

Chicago Style (17th ed.) Citation

Learned, Marion Dexter. Guide to the Manuscript Materials Relating to American History in the German State Archives. Washington D.C.: Carnegie Institution of Washington, 1912.

MLA (9th ed.) Citation

Learned, Marion Dexter. Guide to the Manuscript Materials Relating to American History in the German State Archives. Carnegie Institution of Washington, 1912.