APA (7th ed.) Citation

Portier, W. L. (1985). Isaac Hecker and the First Vatican Council. E. Mellen Press.

Chicago Style (17th ed.) Citation

Portier, William L. Isaac Hecker and the First Vatican Council. Lewiston, N.Y.: E. Mellen Press, 1985.

MLA (8th ed.) Citation

Portier, William L. Isaac Hecker and the First Vatican Council. E. Mellen Press, 1985.

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