APA (7th ed.) Zitazioa

Engdahl, D. E. (1974). Constitutional power: Federal and state in a Nutshell. West Group.

Chicago Style (17th ed.) Zitazioa

Engdahl, David E. Constitutional Power: Federal and State in a Nutshell. Saint Paul: West Group, 1974.

MLA (9th ed.) Zitazioa

Engdahl, David E. Constitutional Power: Federal and State in a Nutshell. West Group, 1974.