APA
Lockwood John G, . (1976). The physical geography of the tropics : An introduction. OUP, London: .
Chicago
Lockwood John G, . 1976. The physical geography of the tropics : An introduction. OUP, London: .
Harvard
Lockwood John G, . (1976). The physical geography of the tropics : An introduction. OUP, London: .
MLA
Lockwood John G, . The physical geography of the tropics : An introduction. OUP, London: . 1976.