APA Style
Keene, Carolyn. (1959).
The hidden staircase .
New York:
Grosset & Dunlap.
Chicago Style
Keene, Carolyn.
The hidden staircase.
New York:
Grosset & Dunlap,
1959.
Text.
MLA Style
Keene, Carolyn.
The hidden staircase.
New York:
Grosset & Dunlap,
1959.
Text.
Turabian Style
Keene, Carolyn.
The hidden staircase.
New York:
Grosset & Dunlap,
1959.
Print.