Gaya APA

Horvalh, M. (1973). Adverse Effects of Enviromental Chemicals and Psychotropic Drugs. (--). New York: elsevier scientific pubishing company.

Gaya MLA

Horvalh, Milan. "Adverse Effects of Enviromental Chemicals and Psychotropic Drugs.". -- New York: elsevier scientific pubishing company, 1973. Text.