APA

Lewis C. S., Lewis W. H. (., . (1966). Letters of C.S. Lewis. London: Geoffrey Bles Ltd.

Chicago

Lewis Clive Staples, Lewis Warren Hamilton (ed.), . 1966. Letters of C.S. Lewis. London: Geoffrey Bles Ltd.

Harvard

Lewis C. S., Lewis W. H. (., . (1966). Letters of C.S. Lewis. London: Geoffrey Bles Ltd.

MLA

Lewis Clive Staples, Lewis Warren Hamilton (ed.), . Letters of C.S. Lewis. London: Geoffrey Bles Ltd. 1966.