APA Style
Keene, Carolyn. (1994).
The Mystery Of The 99 Steps .
New York:
Grosset & Dunlap.
Chicago Style
Keene, Carolyn.
The Mystery Of The 99 Steps.
New York:
Grosset & Dunlap,
1994.
Book.
MLA Style
Keene, Carolyn.
The Mystery Of The 99 Steps.
New York:
Grosset & Dunlap,
1994.
Book.
Turabian Style
Keene, Carolyn.
The Mystery Of The 99 Steps.
New York:
Grosset & Dunlap,
1994.
Book.