APA Style
Duff, Charles. (1966).
German for adults (_).
:
The English Uni Press.
Chicago Style
Duff, Charles.
German for adults.
_
:
The English Uni Press,
1966.
.
MLA Style
Duff, Charles.
German for adults.
_
:
The English Uni Press,
1966.
.
Turabian Style
Duff, Charles.
German for adults.
_
:
The English Uni Press,
1966.
.