Cita APA (7th ed.)

Linford, J. (2009). A Pocket guide to Trees. Parragon Editorial.

Cita Chicago (17th ed.)

Linford, Jenny. A Pocket Guide to Trees. Bath, Inglaterra: Parragon Editorial, 2009.

Cita MLA (9th ed.)

Linford, Jenny. A Pocket Guide to Trees. Parragon Editorial, 2009.