Gaya APA

Bidlack, J, E., Jansky, S, H. (2011). Stern's introductory plant biology (12th ed). New York: Mc Graw Hill.

Gaya MLA

Bidlack, James, E.., Jansky, Shelley, H.. "Stern's introductory plant biology". 12th ed New York: Mc Graw Hill, 2011. Text.