APA Style

Ashby, J. et al (1985). Evaluation of Short Term Tests for Carcinogens : Progress Mutation Research Volume 5 . Ansterdam: Elsevier Science.

MLA Style

Ashby, John. et al. "Evaluation of Short Term Tests for Carcinogens : Progress Mutation Research Volume 5". Ansterdam: Elsevier Science, 1985. print.