APA Format
Twain, Mark; Cox, James M.. ([1978]).
Huckleberry Finn / Mark Twain
. Danbury, Connecticut :: Grolier Enterprises,.
MLA Format
Twain, Mark; Cox, James M..
Huckleberry Finn / Mark Twain
. Danbury, Connecticut :: Grolier Enterprises,, [1978]
Chicago Format
Twain, Mark; Cox, James M.. Huckleberry Finn / Mark Twain. Danbury, Connecticut :: Grolier Enterprises,, [1978].