APA (7th ed.) Citation

Forsyth, A. A. (1968). British poisonous plants (2. ed.). Her majesty's stationery office.

Chicago Style (17th ed.) Citation

Forsyth, A. A. British Poisonous Plants. 2. ed. London: Her majesty's stationery office, 1968.

MLA (9th ed.) Citation

Forsyth, A. A. British Poisonous Plants. 2. ed. Her majesty's stationery office, 1968.

Warning: These citations may not always be 100% accurate.