APA-viite (7. p.)
ebrary, Inc, Iglehart, C., & Zsofka, G. J. (2013). Farming and farmland in the United States: Changes and trends. Nova Science ; Gazelle [distributor].
Chicago-viite (17. p.)
ebrary, Inc, Calvin Iglehart, ja Grant J. Zsofka. Farming and Farmland in the United States: Changes and Trends. Hauppauge, N.Y. : Lancaster: Nova Science ; Gazelle [distributor], 2013.
MLA-viite (9. p.)
ebrary, Inc, et al. Farming and Farmland in the United States: Changes and Trends. Nova Science ; Gazelle [distributor], 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.