APA

Barber P. N., Phillips C. E. L., . (1975). The trees around us. London: Weidenfeld and Nicolson in collaboration with The Royal Horticultural Society.

Chicago

Barber Peter N, Phillips Cecil Ernest Lucas, . 1975. The trees around us. London: Weidenfeld and Nicolson in collaboration with The Royal Horticultural Society.

Harvard

Barber P. N., Phillips C. E. L., . (1975). The trees around us. London: Weidenfeld and Nicolson in collaboration with The Royal Horticultural Society.

MLA

Barber Peter N, Phillips Cecil Ernest Lucas, . The trees around us. London: Weidenfeld and Nicolson in collaboration with The Royal Horticultural Society. 1975.