APA Style
Duffey, Felix D.. (1957).
Testing the Spirit .
London:
B. Herder Book Co..
Chicago Style
Duffey, Felix D..
Testing the Spirit.
London:
B. Herder Book Co.,
1957.
Text.
MLA Style
Duffey, Felix D..
Testing the Spirit.
London:
B. Herder Book Co.,
1957.
Text.
Turabian Style
Duffey, Felix D..
Testing the Spirit.
London:
B. Herder Book Co.,
1957.
Print.