Gaya APA

Campbell, C, L., Laurence, V, M. (1963). Introduction to Plant Diseases Epidemiology . : A Wiley-Interscience Publication.

Gaya MLA

Campbell, C., Lee., Laurence, V., Madden,. "Introduction to Plant Diseases Epidemiology". : A Wiley-Interscience Publication, 1963. Text.