APA

Evans H., Jackman B. & Ottaway M. (1975). We learned to ski. New York: St. Martin's Press.

Chicago

Evans Harold, Jackman Brian and Ottaway Mark. 1975. We learned to ski. New York: St. Martin's Press.

Harvard

Evans H., Jackman B. and Ottaway M. (1975). We learned to ski. New York: St. Martin's Press.

MLA

Evans Harold, Jackman Brian and Ottaway Mark. We learned to ski. New York: St. Martin's Press. 1975.