APA

Blackmore S., . (1988). The Penguin dictionary of botany. : Penguin Books.

Chicago

Blackmore Stephen, . 1988. The Penguin dictionary of botany. : Penguin Books.

Harvard

Blackmore S., . (1988). The Penguin dictionary of botany. : Penguin Books.

MLA

Blackmore Stephen, . The Penguin dictionary of botany. : Penguin Books. 1988.