APA (7th ed.) Citation

Keene, C. (1989). The mystery at lilac inn (4). Grosset & Dunlap.

Chicago Style (17th ed.) Citation

Keene, Carolyn. The Mystery at Lilac Inn (4). New York: Grosset & Dunlap, 1989.

MLA (9th ed.) Citation

Keene, Carolyn. The Mystery at Lilac Inn (4). Grosset & Dunlap, 1989.