Παραπομπή APA

Rudgley, R. (1998). Encyclopedia of psychoactive substances. Abacus.

Παραπομπή Chicago Style

Rudgley, Richard. Encyclopedia of Psychoactive Substances. London: Abacus, 1998.

Παραπομπή MLA

Rudgley, Richard. Encyclopedia of Psychoactive Substances. Abacus, 1998.