APA (7th ed.) Citation

Bascom, F. (1896). The ancient volcanic rocks of South Mountain, Pennsylvania. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Bascom, Florence. The Ancient Volcanic Rocks of South Mountain, Pennsylvania. Washington, DC: Gov. Print. Off, 1896.

MLA (9th ed.) Citation

Bascom, Florence. The Ancient Volcanic Rocks of South Mountain, Pennsylvania. Gov. Print. Off, 1896.

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