APA (7th ed.) Citation

Isaacs, J. (1951). An assessment of twentieth-century literature: Six lectures delivered in the B.B.C. third programme. Secker & Warburg.

Chicago Style (17th ed.) Citation

Isaacs, Jacob. An Assessment of Twentieth-century Literature: Six Lectures Delivered in the B.B.C. Third Programme. London: Secker & Warburg, 1951.

MLA (9th ed.) Citation

Isaacs, Jacob. An Assessment of Twentieth-century Literature: Six Lectures Delivered in the B.B.C. Third Programme. Secker & Warburg, 1951.