Baxter, B., & Stevens, T. (1945). Introduction to global geography: How to study maps and globes. Wagner.
Citazione stile Chigago Style (17a edizione)Baxter, Bernice, e Thad Stevens. Introduction to Global Geography: How to Study Maps and Globes. San Francisco: Wagner, 1945.
Citatione MLA (9a ed.)Baxter, Bernice, e Thad Stevens. Introduction to Global Geography: How to Study Maps and Globes. Wagner, 1945.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.