Gaya APA

al., E. et al (1983). Cbe Style Manual: A Guide For Authors, Editors, And Publishers In The Biological Sciences . Bethesda: Council of Biology Editors, Inc..

Gaya MLA

al., Et. et al. "Cbe Style Manual: A Guide For Authors, Editors, And Publishers In The Biological Sciences". Bethesda: Council of Biology Editors, Inc., 1983. Text.