Gerard, R. W. Central excitation and inhibition: Ralph W. Gerard. Transactions=Protokolle.(2003).
Citazione stile Chigago Style (17a edizione)Gerard, Ralph W. "Central Excitation and Inhibition: Ralph W. Gerard." Transactions=Protokolle.(2003) .
Citatione MLA (8a ed.)Gerard, Ralph W. "Central Excitation and Inhibition: Ralph W. Gerard." Transactions=Protokolle.(2003), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.