Cita APA (7th ed.)
Johnson, P. S., Shifley, S. R., & Rogers, R. (2002). The ecology and silviculture of oaks. CABI.
Cita Chicago (17th ed.)
Johnson, Paul S., Stephen R. Shifley, i Robert Rogers. The Ecology and Silviculture of Oaks. Wallingford, Oxon ; New York: CABI, 2002.
Cita MLA (9th ed.)
Johnson, Paul S., et al. The Ecology and Silviculture of Oaks. CABI, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.