APA (7th ed.) Citation

Sullivan, P. H. (1936). First communion catechism. George Grady.

Chicago Style (17th ed.) Citation

Sullivan, P. Henry. First Communion Catechism. New York, N.Y.: George Grady, 1936.

MLA (8th ed.) Citation

Sullivan, P. Henry. First Communion Catechism. George Grady, 1936.