This is the cover project on Knitting Magazine issue 87 Supplement, which only includes instructions for long cardigan.

Sizes: To fit chest / finished measurements
32/34” (81/86cm) / 34.75” (88cm)
36/38” (91/97cm) / 40” (102cm)
40/42” (102/107cm) / 43.75” (111cm)
44/46” (112/117cm) / 47.25” (120cm)
48/50” (122/127cm) / 50.75” (129cm)
52/54” (132/137cm) / 56.25” (143cm)

Yarn Requirements: DK weight, 50g balls
Long cardigan: 7 (8, 9, 11, 12, 13) balls
Short cardigan: 5 (6, 7, 9, 10, 11) balls

Sirdar website link: Simply Recycled DK 9431