APA (7th ed.) Citation

DePaola, T. (1977). Helga's dowry: A troll love story. Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

DePaola, Tomie. Helga's Dowry: A Troll Love Story. New York: Harcourt Brace Jovanovich, 1977.

MLA (8th ed.) Citation

DePaola, Tomie. Helga's Dowry: A Troll Love Story. Harcourt Brace Jovanovich, 1977.

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