APA

Keating C., Keating D., . (1967). Guide to Montreal. New York: McGraw-Hill.

Chicago

Keating Chris, Keating Diane, . 1967. Guide to Montreal. New York: McGraw-Hill.

Harvard

Keating C., Keating D., . (1967). Guide to Montreal. New York: McGraw-Hill.

MLA

Keating Chris, Keating Diane, . Guide to Montreal. New York: McGraw-Hill. 1967.