Cita APA (7th ed.)

Penrose, A. M., & Katz, S. B. (2010). Writing in the sciences: Exploring conventions of scientific discourse (Third edition.). Longman.

Cita Chicago (17th ed.)

Penrose, Ann M., i Steven B. Katz. Writing in the Sciences: Exploring Conventions of Scientific Discourse. Third edition. New York: Longman, 2010.

Cita MLA (9th ed.)

Penrose, Ann M., i Steven B. Katz. Writing in the Sciences: Exploring Conventions of Scientific Discourse. Third edition. Longman, 2010.