Cita APA (7a ed.)

Franklin, H. e. a. (1969). Vocabulary in context. University of Michigan.

Cita Chicago Style (17a ed.)

Franklin, Harry et al. Vocabulary in Context. Washington, Estados Unidos: University of Michigan, 1969.

Cita MLA (9a ed.)

Franklin, Harry et al. Vocabulary in Context. University of Michigan, 1969.