APA-ийн эшлэл(7 дахь хэвлэлт)

Kennedy, W., Cobban, W., & Landman, N. (2001). A revision of the turonian members of the ammonite subfamily collignoniceratinae from the United States western interior and gulf coast.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Kennedy, W., W. Cobban, ба N. Landman. A Revision of the Turonian Members of the Ammonite Subfamily Collignoniceratinae from the United States Western Interior and Gulf Coast. 2001.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Kennedy, W., et al. A Revision of the Turonian Members of the Ammonite Subfamily Collignoniceratinae from the United States Western Interior and Gulf Coast. 2001.