APA (7th ed.) Citation

Hahn, M. D. (2008). Wait till helen comes: A ghost story.

Chicago Style (17th ed.) Citation

Hahn, Mary Downing. Wait Till Helen Comes: A Ghost Story. 2008.

MLA (8th ed.) Citation

Hahn, Mary Downing. Wait Till Helen Comes: A Ghost Story. 2008.

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