APA (7th ed.) Citation

Beattie, G. W., & Beattie, H. P. (1951). Heritage of the valley: San Bernardino's first century. Biobooks.

Chicago Style (17th ed.) Citation

Beattie, George William, and Helen Pruitt Beattie. Heritage of the Valley: San Bernardino's First Century. Oakland, Calif.: Biobooks, 1951.

MLA (8th ed.) Citation

Beattie, George William, and Helen Pruitt Beattie. Heritage of the Valley: San Bernardino's First Century. Biobooks, 1951.