Gaya APA

Anderson, C., Runciman, L. (2000). A forest of voices: conversations in ecology (2nd ed.). United States of America: Mayfield Pub. Co..

Gaya MLA

Anderson, Chris., Runciman, Lex.. "A forest of voices: conversations in ecology". 2nd ed. United States of America: Mayfield Pub. Co., 2000. print.