Cita APA (7a ed.)

Stafford, P. (1983). Psychedelics encyclopedia (Rev. ed., 2nd ed.).

Cita Chicago Style (17a ed.)

Stafford, Peter. Psychedelics Encyclopedia. Rev. ed., 2nd ed. Mifflin, 1983.

Cita MLA (8a ed.)

Stafford, Peter. Psychedelics Encyclopedia. Rev. ed., 2nd ed. 1983.