APA (7th ed.) Citation

Palmer, L. (1980). Mt. St. Helens: The volcano explodes! Northwest Illustrated.

Chicago Style (17th ed.) Citation

Palmer, Leonard. Mt. St. Helens: The Volcano Explodes! [Portland? Or.]: Northwest Illustrated, 1980.

MLA (9th ed.) Citation

Palmer, Leonard. Mt. St. Helens: The Volcano Explodes! Northwest Illustrated, 1980.

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