Cita APA (7a ed.)

Holzner, W., & Numata, M. (1982). Biology and ecology of weeds. Junk.

Cita Chicago Style (17a ed.)

Holzner, W., y M. Numata. Biology and Ecology of Weeds. The Hague [etc.]: Junk, 1982.

Cita MLA (9a ed.)

Holzner, W., y M. Numata. Biology and Ecology of Weeds. Junk, 1982.