APA (7th ed.) Citation

Ainsworth, G. C., & Sampson, K. (1950). The British smut fungi (Ustilaginales). Commonwealth Mycological Institute.

Chicago Style (17th ed.) Citation

Ainsworth, G. C., and Kathleen Sampson. The British Smut Fungi (Ustilaginales). Kew, Surrey: Commonwealth Mycological Institute, 1950.

MLA (9th ed.) Citation

Ainsworth, G. C., and Kathleen Sampson. The British Smut Fungi (Ustilaginales). Commonwealth Mycological Institute, 1950.