Cita APA (7th ed.)

Holland, C. H. (1978). A Guide to stratigraphical procedure. Scottish Academic Press.

Cita Chicago (17th ed.)

Holland, C. H. A Guide to Stratigraphical Procedure. Edinburgh: Scottish Academic Press, 1978.

Cita MLA (8th ed.)

Holland, C. H. A Guide to Stratigraphical Procedure. Scottish Academic Press, 1978.