Cita APA

Hawthorne, W., & Hawthorne, W. (1990). Field guide to the forest trees of Ghana. Chatham: Natural Resources Institute.

Citación estilo Chicago

Hawthorne, William, y William Hawthorne. Field Guide to the Forest Trees of Ghana. Chatham: Natural Resources Institute, 1990.

Cita MLA

Hawthorne, William, y William Hawthorne. Field Guide to the Forest Trees of Ghana. Chatham: Natural Resources Institute, 1990.