Gaya APA

Cleland, R, G., S., I, D, G. (1969). **From wilderness to empire a history of california . New York: New York: Alfred A. Knopf; 1969.

Gaya MLA

Cleland, Robert, Glass., S., I., Dumke,, Glenn. "**From wilderness to empire a history of california". New York: New York: Alfred A. Knopf; 1969, 1969. Text.