APA

Holm L., Pancho J. V., Herberger J. P. & Plucknett D. L. (1979). A geographical atlas of world weeds. New York: John Wiley and Sons.

Chicago

Holm Leroy, Pancho Juan V, Herberger James P and Plucknett Donald L. 1979. A geographical atlas of world weeds. New York: John Wiley and Sons.

Harvard

Holm L., Pancho J. V., Herberger J. P. and Plucknett D. L. (1979). A geographical atlas of world weeds. New York: John Wiley and Sons.

MLA

Holm Leroy, Pancho Juan V, Herberger James P and Plucknett Donald L. A geographical atlas of world weeds. New York: John Wiley and Sons. 1979.