Cite

St. Petersburg II. Inner Town.1:20,000

MLA

Wagner, and Debes Georgr. Establ. St. Petersburg II. Inner Town.1:20,000. Charles Scribner's Sons, 1914. https://collections.library.yale.edu/catalog/2004568.

APA, 6th edition

W., & Establ, D. G. (1914). St. Petersburg II. Inner Town.1:20,000 [Maps]. Charles Scribner's Sons. https://collections.library.yale.edu/catalog/2004568.