APA Format
RYLE, Gilbert. (1949).
The concept of mind / Gilbert Ryle
. Harmondsworth, Middlesex :: Penguin,.
MLA Format
RYLE, Gilbert.
The concept of mind / Gilbert Ryle
. Harmondsworth, Middlesex :: Penguin,, 1949
Chicago Format
RYLE, Gilbert. The concept of mind / Gilbert Ryle. Harmondsworth, Middlesex :: Penguin,, 1949.