APA

Smith S., MacCibbon J., . (1978). Selected Poems. London: Penguin Books.

Chicago

Smith S, MacCibbon J, . 1978. Selected Poems. London: Penguin Books.

Harvard

Smith S., MacCibbon J., . (1978). Selected Poems. London: Penguin Books.

MLA

Smith S, MacCibbon J, . Selected Poems. London: Penguin Books. 1978.