APA

Loudon J. C., . (1989). Encyclopaedia of plants, comprising the specific character, description, culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous to, cultivated in, or introduced [into Britain]. New Delhi: Cosmo Publications.

Chicago

Loudon J C, . 1989. Encyclopaedia of plants, comprising the specific character, description, culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous to, cultivated in, or introduced [into Britain]. New Delhi: Cosmo Publications.

Harvard

Loudon J. C., . (1989). Encyclopaedia of plants, comprising the specific character, description, culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous to, cultivated in, or introduced [into Britain]. New Delhi: Cosmo Publications.

MLA

Loudon J C, . Encyclopaedia of plants, comprising the specific character, description, culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous to, cultivated in, or introduced [into Britain]. New Delhi: Cosmo Publications. 1989.