APA-viite

Ragan, D. M. (1968). Structural geology: Fourth Edition. John wiley.

Chicago-tyylinen lähdeviittaus

Ragan, Donal M. Structural Geology: Fourth Edition. New york: John wiley, 1968.

MLA-viite

Ragan, Donal M. Structural Geology: Fourth Edition. John wiley, 1968.