Cita APA (7th ed.)
Armstrong, H., & Brasier, M. D. (2005). Microfossils (2nd ed.). Blackwell Pub..
Cita Chicago (17th ed.)
Armstrong, Howard, i M. D. Brasier. Microfossils. 2nd ed. Malden, Mass.: Blackwell Pub., 2005.
Cita MLA (9th ed.)
Armstrong, Howard, i M. D. Brasier. Microfossils. 2nd ed. Blackwell Pub., 2005.
Atenció: Aquestes cites poden no estar 100% correctes.