APA Citation

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

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.