APA (7th ed.) Citation

Walker, H. J., & McIntire, W. G. (1966). Outline maps for world human geography. Macmillan.

Chicago Style (17th ed.) Citation

Walker, H. J., and William G. McIntire. Outline Maps for World Human Geography. New York /: Macmillan, 1966.

MLA (9th ed.) Citation

Walker, H. J., and William G. McIntire. Outline Maps for World Human Geography. Macmillan, 1966.