Cita APA (7a ed.)

Fonseca, J., Buthaly, K., & Gargiulli, J. (1965). Spoken English: Book two (81.ed.). Nacional São Paulo Editora.

Cita Chicago Style (17a ed.)

Fonseca, João, Kenneth Buthaly, y João Gargiulli. Spoken English: Book Two. 81.ed. São Paulo, SP: Nacional São Paulo Editora, 1965.

Cita MLA (9a ed.)

Fonseca, João, et al. Spoken English: Book Two. 81.ed. Nacional São Paulo Editora, 1965.