Cita APA (7a ed.)

LLOYD, P. E., & DICKEN, P. (1977). Location in space: A theoritical approach to economic geography.-- ed.2. Harper and Row.

Cita Chicago Style (17a ed.)

LLOYD, Peter E., y Peter DICKEN. Location in Space: A Theoritical Approach to Economic Geography.-- Ed.2. London: Harper and Row, 1977.

Cita MLA (9a ed.)

LLOYD, Peter E., y Peter DICKEN. Location in Space: A Theoritical Approach to Economic Geography.-- Ed.2. Harper and Row, 1977.