APA
Stockwell R. P., Martin J. W., . (1969). The grammatical structures of english and spanish. London: The University Of Chicago Pre.
Chicago
Stockwell Robert P, Martin John W, . 1969. The grammatical structures of english and spanish. London: The University Of Chicago Pre.
Harvard
Stockwell R. P., Martin J. W., . (1969). The grammatical structures of english and spanish. London: The University Of Chicago Pre.
MLA
Stockwell Robert P, Martin John W, . The grammatical structures of english and spanish. London: The University Of Chicago Pre. 1969.