Cita APA (7th ed.)

Ferguson, D. E., & Ferguson, D. E. (1991). User's guide to version 2 of the regeneration establishment model: Part of the prognosis model. Intermountain Research Station.

Cita Chicago (17th ed.)

Ferguson, Dennis E., i Dennis E. Ferguson. User's Guide to Version 2 of the Regeneration Establishment Model: Part of the Prognosis Model. Ogden: Intermountain Research Station, 1991.

Cita MLA (9th ed.)

Ferguson, Dennis E., i Dennis E. Ferguson. User's Guide to Version 2 of the Regeneration Establishment Model: Part of the Prognosis Model. Intermountain Research Station, 1991.