APA

Boxer A., Back P., . (1980). The herb book. New York: Octopus/Mayflower.

Chicago

Boxer Arabella, Back Philippa, . 1980. The herb book. New York: Octopus/Mayflower.

Harvard

Boxer A., Back P., . (1980). The herb book. New York: Octopus/Mayflower.

MLA

Boxer Arabella, Back Philippa, . The herb book. New York: Octopus/Mayflower. 1980.