APA Style
HARNACK, ADOLF VON. (1957).
WHAT IS CHRISTIANITY? .
MINNEAPOLIS:
FORTRESS PRESS.
Chicago Style
HARNACK, ADOLF VON.
WHAT IS CHRISTIANITY?.
MINNEAPOLIS:
FORTRESS PRESS,
1957.
Text.
MLA Style
HARNACK, ADOLF VON.
WHAT IS CHRISTIANITY?.
MINNEAPOLIS:
FORTRESS PRESS,
1957.
Text.
Turabian Style
HARNACK, ADOLF VON.
WHAT IS CHRISTIANITY?.
MINNEAPOLIS:
FORTRESS PRESS,
1957.
Print.