Introduction to christianity.

MLA

Benedictus, and J. R Foster. Introduction to Christianity. New York: Herder and Herder, 1970.

APA

Benedictus, B., & Foster, J. R. (1970). Introduction to christianity. New York: Herder and Herder.

Chicago

Benedictus Introduction to Christianity. Translated by J. R Foster. New York: Herder and Herder, 1970.