APA (7th ed.) Citation

Fifield, R. H., & Pearcy, G. E. (1944). Geopolitics in principle and practice: By Russell H. Fifield and G. Etzel Pearcy. Ginn.

Chicago Style (17th ed.) Citation

Fifield, Russell H., and George Etzel Pearcy. Geopolitics in Principle and Practice: By Russell H. Fifield and G. Etzel Pearcy. Boston: Ginn, 1944.

MLA (9th ed.) Citation

Fifield, Russell H., and George Etzel Pearcy. Geopolitics in Principle and Practice: By Russell H. Fifield and G. Etzel Pearcy. Ginn, 1944.