APA (7th ed.) Citation

Heltshe, F. J. The Catholic scientist. Catholic Information Society.

Chicago Style (17th ed.) Citation

Heltshe, Francis J. The Catholic Scientist. New York, N.Y.: Catholic Information Society.

MLA (8th ed.) Citation

Heltshe, Francis J. The Catholic Scientist. Catholic Information Society.

Warning: These citations may not always be 100% accurate.