APA (7th ed.) Citation

Magra, P. (1975). Sketch of the fort at Michilimackinac. Historic Urban Plans.

Chicago Style (17th ed.) Citation

Magra, Perkins. Sketch of the Fort at Michilimackinac. Ithaca, N.Y.: Historic Urban Plans, 1975.

MLA (9th ed.) Citation

Magra, Perkins. Sketch of the Fort at Michilimackinac. Historic Urban Plans, 1975.

Warning: These citations may not always be 100% accurate.