Cita APA (7a ed.)

Cumming, J. (1947). Literature of the life-boat, 1785-1947 (Rev. Aufl.). Royal National Life-Boat Institution.

Cita Chicago Style (17a ed.)

Cumming, John. Literature of the Life-boat, 1785-1947. Rev. Aufl. London: Royal National Life-Boat Institution, 1947.

Cita MLA (8a ed.)

Cumming, John. Literature of the Life-boat, 1785-1947. Rev. Aufl. Royal National Life-Boat Institution, 1947.