APA
COWLING E. B., HORSFALL J. G., . (1977). Plant disease: An advanced treatise. V 2. How disease develops in population. London: Academic.
Chicago
COWLING Ellis B, HORSFALL James G, . 1977. Plant disease: An advanced treatise. V 2. How disease develops in population. London: Academic.
Harvard
COWLING E. B., HORSFALL J. G., . (1977). Plant disease: An advanced treatise. V 2. How disease develops in population. London: Academic.
MLA
COWLING Ellis B, HORSFALL James G, . Plant disease: An advanced treatise. V 2. How disease develops in population. London: Academic. 1977.