Cita APA (7th ed.)

California, Dept. of Parks and Recreation. (1973). The California history plan. s.n.

Cita Chicago (17th ed.)

California, Dept. of Parks and Recreation. The California History Plan. Sacramento: s.n, 1973.

Cita MLA (9th ed.)

California, Dept. of Parks and Recreation. The California History Plan. s.n, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.