APA (7th ed.) Citation

Hills, E. C., Ford, J. D. M., & Coutinho, J. d. S. (1925). A Portuguese grammar. D.C. Heath and company.

Chicago Style (17th ed.) Citation

Hills, E. C., J. D. M. Ford, and Joaquim de Siqueira Coutinho. A Portuguese Grammar. Boston, New York [etc.]: D.C. Heath and company, 1925.

MLA (9th ed.) Citation

Hills, E. C., et al. A Portuguese Grammar. D.C. Heath and company, 1925.