Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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