The Catholic periodical index
MLA
Leavey, Laurence Andrew Michael. The Catholic Periodical Index. Haverford, Pa. [etc.]: Catholic Library Association [etc.]
APA, 7th edition
Leavey, L. Andrew Michael. The Catholic periodical index. Haverford, Pa. [etc.]: Catholic Library Association [etc.]
Chicago, 17th edition
Leavey, Laurence Andrew Michael. The Catholic periodical index. Haverford, Pa. [etc.]: Catholic Library Association [etc.]