APA (7th ed.) Citation

Weed Research Organization, British Weed Control Council, & Commonwealth Agricultural Bureaux. Weed abstracts. [publisher not identified].

Chicago Style (17th ed.) Citation

Weed Research Organization, British Weed Control Council, and Commonwealth Agricultural Bureaux. Weed Abstracts. Farnham Royal [etc.] Eng: [publisher not identified].

MLA (9th ed.) Citation

Weed Research Organization, et al. Weed Abstracts. [publisher not identified].