APA

Sheehan M., . (1937). Apologetics and Catholic doctrine. Dublin: Gill.

Chicago

Sheehan Michael, . 1937. Apologetics and Catholic doctrine. Dublin: Gill.

Harvard

Sheehan M., . (1937). Apologetics and Catholic doctrine. Dublin: Gill.

MLA

Sheehan Michael, . Apologetics and Catholic doctrine. Dublin: Gill. 1937.