Cita APA (7th ed.)
Miller,G.Tyler, & Spoolman, S. E. (2015). Essentials of ecology (7th ed.). Cengage Learning.
Cita Chicago (17th ed.)
Miller,G.Tyler, i Scott E. Spoolman. Essentials of Ecology. 7th ed. United States: Cengage Learning, 2015.
Cita MLA (9th ed.)
Miller,G.Tyler, i Scott E. Spoolman. Essentials of Ecology. 7th ed. Cengage Learning, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.