A supplement to Elwes' monograph of the genus Lilium.

MLA

Turill, W. B, and Henry John Elwes. A Supplement to Elwes' Monograph of the Genus Lilium. London: Royal Horticultural Society, 1960.

APA

Turill, W. B, & Elwes, H. John. (1960). A supplement to Elwes' monograph of the genus Lilium. London: Royal Horticultural Society.

Chicago

Turill, W. B., and Henry John Elwes. A Supplement to Elwes' Monograph of the Genus Lilium. London: Royal Horticultural Society, 1960.