Cita APA (7a ed.)

Lantolf, J. P., & Labarca, A. (1984). RESEARCH in second language learning. Ablex.

Cita Chicago Style (17a ed.)

Lantolf, James P., y Angela Labarca. RESEARCH in Second Language Learning. New Jersey: Ablex, 1984.

Cita MLA (8a ed.)

Lantolf, James P., y Angela Labarca. RESEARCH in Second Language Learning. Ablex, 1984.