APA (7th ed.) Citation

Alston, A. H. G. (1959). The ferns and fern-allies of West Tropical Africa: Being a supplement to the second edition of 'The flora of west tropical Africa'. Crown Agents for oversea Governments and Administrations.

Chicago Style (17th ed.) Citation

Alston, A. H. G. The Ferns and Fern-allies of West Tropical Africa: Being a Supplement to the Second Edition of 'The Flora of West Tropical Africa'. London: Crown Agents for oversea Governments and Administrations, 1959.

MLA (9th ed.) Citation

Alston, A. H. G. The Ferns and Fern-allies of West Tropical Africa: Being a Supplement to the Second Edition of 'The Flora of West Tropical Africa'. Crown Agents for oversea Governments and Administrations, 1959.