APA (7th ed.) Citation

Ringwald, D. C. (1972). The Mary Powell; a history of the beautiful side-wheel steamer called "Queen of the Hudson,". Howell-North Books.

Chicago Style (17th ed.) Citation

Ringwald, Donald C. The Mary Powell; a History of the Beautiful Side-wheel Steamer Called "Queen of the Hudson,". Berkeley, Calif.: Howell-North Books, 1972.

MLA (9th ed.) Citation

Ringwald, Donald C. The Mary Powell; a History of the Beautiful Side-wheel Steamer Called "Queen of the Hudson,". Howell-North Books, 1972.

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