Almeida, C. E. S., Lopes, R. D., & Guimaraes, H. P. (2005). Introduction. In Acid-base and Hydro-electrolytic Balance (pp. 3–11). Editora Atheneu.

Almeida, C. E. S., R. D. Lopes, and H. P. Guimaraes. “Introduction.” In Acid-Base and Hydro-Electrolytic Balance, 3–11. Editora Atheneu, 2005.

Almeida CES, Lopes RD, Guimaraes HP. Introduction. In: Acid-base and Hydro-electrolytic Balance. Editora Atheneu; 2005. p. 3–11.

Almeida, C. E. S., et al. “Introduction.” Acid-Base and Hydro-Electrolytic Balance, Editora Atheneu, 2005, pp. 3–11.

Almeida CES, Lopes RD, Guimaraes HP. Introduction. Acid-base and Hydro-electrolytic Balance. Editora Atheneu; 2005. p. 3–11.