Cita APA (7th ed.)

McGowran, B. (2005). Biostratigraphy: Microfossils and geological time. Univ. Pr.

Cita Chicago (17th ed.)

McGowran, Brian. Biostratigraphy: Microfossils and Geological Time. Cambridge: Univ. Pr, 2005.

Cita MLA (9th ed.)

McGowran, Brian. Biostratigraphy: Microfossils and Geological Time. Univ. Pr, 2005.