APA (7th ed.) Citation

Harwood, J. K. (1957). An analytic, cumulative index of the Acta apostolicae sedis, 1934-1938.

Chicago Style (17th ed.) Citation

Harwood, John K. An Analytic, Cumulative Index of the Acta Apostolicae Sedis, 1934-1938. 1957.

MLA (8th ed.) Citation

Harwood, John K. An Analytic, Cumulative Index of the Acta Apostolicae Sedis, 1934-1938. 1957.

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