Cita APA (7a ed.)

Forsyth, A. (1968). British poisonous plants (2nd edition.). [editor no identificado].

Cita Chicago Style (17a ed.)

Forsyth, A.A. British Poisonous Plants. 2nd edition. [Lugar de publicación no identificado]: [editor no identificado], 1968.

Cita MLA (8a ed.)

Forsyth, A.A. British Poisonous Plants. 2nd edition. [editor no identificado], 1968.