APA (7th ed.) Citation

Lloyd, P. E., & Dicken, P. (1977). Location in space: A theoretical approach to economic geography (2. ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Lloyd, Peter E., and Peter Dicken. Location in Space: A Theoretical Approach to Economic Geography. 2. ed. London: Harper & Row, 1977.

MLA (9th ed.) Citation

Lloyd, Peter E., and Peter Dicken. Location in Space: A Theoretical Approach to Economic Geography. 2. ed. Harper & Row, 1977.