APA-Zitierstil (7. Ausg.)

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-Zitierstil (17. Ausg.)

Griggs, W. H., D. D. Jensen, und 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-Zitierstil (9. Ausg.)

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