The pear :
culture, varieties, breeding, propagation, nutrition, pruning and training, diseases and insects, harvesting, storage and marketing /
editors-contributors, Tom van der Zwet and Norman F. Childers.

APA Citation

Childers, N. Franklin., Van Der Zwet, T. (1982). The pear: culture, varieties, breeding, propagation, nutrition, pruning and training, diseases and insects, harvesting, storage and marketing. Gainesville, Fla.: Horticultural Publications.

MLA Citation

Childers, Norman Franklin, 1910-, and Tom Van Der Zwet. The Pear: Culture, Varieties, Breeding, Propagation, Nutrition, Pruning And Training, Diseases And Insects, Harvesting, Storage And Marketing. Gainesville, Fla.: Horticultural Publications, 1982.

Warning: These citations may not always be complete (especially for serials).