APA (7th ed.) Citation

Mackay, J. A. (1964). Ecumenics: The Science of the church universal. Prentice-Hall.

Chicago Style (17th ed.) Citation

Mackay, John A. Ecumenics: The Science of the Church Universal. Prentice-Hall, 1964.

MLA (8th ed.) Citation

Mackay, John A. Ecumenics: The Science of the Church Universal. Prentice-Hall, 1964.

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