APA (7th ed.) Citation

ProQuest Ebook Subscriptions, Maps.com (Firm), & ProQuest (Firm). (1997). Petersburg. Maps.com.

Chicago Style (17th ed.) Citation

ProQuest Ebook Subscriptions, Maps.com (Firm), and ProQuest (Firm). Petersburg. [S.l.]: Maps.com, 1997.

MLA (8th ed.) Citation

ProQuest Ebook Subscriptions, et al. Petersburg. Maps.com, 1997.


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