APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & Gilbar, S. (1998). Natural state: A literary anthology of California nature writing. University of California Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Steven Gilbar. Natural State: A Literary Anthology of California Nature Writing. Berkeley: University of California Press, 1998.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Steven Gilbar. Natural State: A Literary Anthology of California Nature Writing. University of California Press, 1998.