APA
Hoffmann-Hergarten S., Gulati M. K. & Sikora R. A. (1998). Yield response and biological control of Meloidgyne incognita on lettuce and tomato with rhizobacteria. Stuttgart: Eugen Ulmer.
Chicago
Hoffmann-Hergarten Sabine, Gulati M K and Sikora R A. 1998. Yield response and biological control of Meloidgyne incognita on lettuce and tomato with rhizobacteria. Stuttgart: Eugen Ulmer.
Harvard
Hoffmann-Hergarten S., Gulati M. K. and Sikora R. A. (1998). Yield response and biological control of Meloidgyne incognita on lettuce and tomato with rhizobacteria. Stuttgart: Eugen Ulmer.
MLA
Hoffmann-Hergarten Sabine, Gulati M K and Sikora R A. Yield response and biological control of Meloidgyne incognita on lettuce and tomato with rhizobacteria. Stuttgart: Eugen Ulmer. 1998.