Citazione APA

American Quarter Horse Association. (1941). Official stud book and registry of the American Quarter Horse Association. AQHA.

Stile di citazione Chicago

American Quarter Horse Association. Official Stud Book and Registry of the American Quarter Horse Association. Fort Worth, Tex.: AQHA, 1941.

Citazione MLA

American Quarter Horse Association. Official Stud Book and Registry of the American Quarter Horse Association. AQHA, 1941.