APA (7th ed.) Citation

Stancliffe, R. J. (1984). Vertically stacked barrier island systems, Sego Sandstone (Campanian), Northwest Colorado. [publisher not identified].

Chicago Style (17th ed.) Citation

Stancliffe, Richard John. Vertically Stacked Barrier Island Systems, Sego Sandstone (Campanian), Northwest Colorado. [Place of publication not identified]: [publisher not identified], 1984.

MLA (9th ed.) Citation

Stancliffe, Richard John. Vertically Stacked Barrier Island Systems, Sego Sandstone (Campanian), Northwest Colorado. [publisher not identified], 1984.