APA-ийн эшлэл(7 дахь хэвлэлт)

Wollheim, R. (1999). The thread of life (1st pbk. ed.). Yale University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Wollheim, Richard. The Thread of Life. 1st pbk. ed. New Haven: Yale University Press, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Wollheim, Richard. The Thread of Life. 1st pbk. ed. Yale University Press, 1999.