APA (7th ed.) Citation

Griggs, W. H., Jensen, D. D., & Iwakiri, B. T. (1968). Development of young pear trees with different rootstocks in relation to Psylla infestation, pear decline and leaf curl.

Chicago Style (17th ed.) Citation

Griggs, W. H., D. D. Jensen, and Ben T. Iwakiri. Development of Young Pear Trees with Different Rootstocks in Relation to Psylla Infestation, Pear Decline and Leaf Curl. Berkeley, Calif, 1968.

MLA (9th ed.) Citation

Griggs, W. H., et al. Development of Young Pear Trees with Different Rootstocks in Relation to Psylla Infestation, Pear Decline and Leaf Curl. 1968.