APA

Haven V. S., . (1940). Many ports of call. New York: Longmans, Green and Co.

Chicago

Haven Violet Sweet, . 1940. Many ports of call. New York: Longmans, Green and Co.

Harvard

Haven V. S., . (1940). Many ports of call. New York: Longmans, Green and Co.

MLA

Haven Violet Sweet, . Many ports of call. New York: Longmans, Green and Co. 1940.