APA način citiranja

León, P. E. (1969). Report of the chromosome numbers of some Costa Rican anurans.

Čikaški stil citiranja

León, Pedro E. Report of the Chromosome Numbers of Some Costa Rican Anurans. 1969.

MLA način citiranja

León, Pedro E. Report of the Chromosome Numbers of Some Costa Rican Anurans. 1969.

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