APA (7th ed.) Citation

Griggs, W. H., & Iwakiri, B. T. (1977). Asian pear varieties in California. Division of Agricultural Sciences, University of California.

Chicago Style (17th ed.) Citation

Griggs, William H., and Ben T. Iwakiri. Asian Pear Varieties in California. [Berkeley]: Division of Agricultural Sciences, University of California, 1977.

MLA (9th ed.) Citation

Griggs, William H., and Ben T. Iwakiri. Asian Pear Varieties in California. Division of Agricultural Sciences, University of California, 1977.