Apple, crabapple, hawthorn, and juniper disorder :
cedar-rust complex /
G. L. Worf and M. F. Heimann.

APA Citation

Worf, G. L., Heimann, M. Francis., University of Wisconsin--Extension. Cooperative Extension Service. (1996). Apple, crabapple, hawthorn, and juniper disorder: cedar-rust complex. [Madison, Wis.]: University of Wisconsin--Extension, Cooperative Extension.

MLA Citation

Worf, Gayle L, Mary Francis Heimann, and University of Wisconsin--Extension. Cooperative Extension Service. Apple, Crabapple, Hawthorn, And Juniper Disorder: Cedar-rust Complex. [Madison, Wis.]: University of Wisconsin--Extension, Cooperative Extension, 1996.