APA (7th ed.) Citation

17071, I. B. f. P. G. R. (1990). Directory of crop germplasm collections. Rome : IBPGR.

Chicago Style (17th ed.) Citation

17071, International Board for Plant Genetic Resources. Directory of Crop Germplasm Collections. Rome : IBPGR, 1990.

MLA (8th ed.) Citation

17071, International Board for Plant Genetic Resources. Directory of Crop Germplasm Collections. Rome : IBPGR, 1990.

IICA/CATIE Citation

17071, I. B. f. P. G. R. 1990. Directory of crop germplasm collections. Rome : IBPGR.