APA
Krull V. H., . (1921). Christian denominations. Chicago: M. A. Donohue & Company.
Chicago
Krull Vigilius H, . 1921. Christian denominations. Chicago: M. A. Donohue & Company.
Harvard
Krull V. H., . (1921). Christian denominations. Chicago: M. A. Donohue & Company.
MLA
Krull Vigilius H, . Christian denominations. Chicago: M. A. Donohue & Company. 1921.
