APA-ийн эшлэл(7 дахь хэвлэлт)

West, S., Pen, I., & Griffin, A. (2002). Cooperation and competition between relatives.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

West, SA, I. Pen, ба A. Griffin. Cooperation and Competition Between Relatives. 2002.

MLA -ийн эшлэл (9 дэх хэвлэлт)

West, SA, et al. Cooperation and Competition Between Relatives. 2002.