APA
Genzel R. B., Cumming M. G., . (1986). Culturally speaking a conversation and culture text for learners of English. New York: Harper & Row.
Chicago
Genzel Rhona B, Cumming Martha Graves, . 1986. Culturally speaking a conversation and culture text for learners of English. New York: Harper & Row.
Harvard
Genzel R. B., Cumming M. G., . (1986). Culturally speaking a conversation and culture text for learners of English. New York: Harper & Row.
MLA
Genzel Rhona B, Cumming Martha Graves, . Culturally speaking a conversation and culture text for learners of English. New York: Harper & Row. 1986.