APA-ийн эшлэл(7 дахь хэвлэлт)

Smith, M. W., & Penrose, R. (2013). Beating the odds: The life and times of E.A. Milne. Imperial College Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Smith, Meg Weston, ба Roger Penrose. Beating the Odds: The Life and Times of E.A. Milne. London: Imperial College Press, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Smith, Meg Weston, ба Roger Penrose. Beating the Odds: The Life and Times of E.A. Milne. Imperial College Press, 2013.