Cita APA (7th ed.)

Briault, E., & Hubbard, J. H. (1968). An introduction to advanced geography. (2nd ed.). Longmans.

Cita Chicago (17th ed.)

Briault, E.W.H, i J. H. Hubbard. An Introduction to Advanced Geography. 2nd ed. London: Longmans, 1968.

Cita MLA (9th ed.)

Briault, E.W.H, i J. H. Hubbard. An Introduction to Advanced Geography. 2nd ed. Longmans, 1968.