APA

Teasdale S., . (19261917). The answering voice. New York: Macmillan.

Chicago

Teasdale Sara, . 19261917. The answering voice. New York: Macmillan.

Harvard

Teasdale S., . (19261917). The answering voice. New York: Macmillan.

MLA

Teasdale Sara, . The answering voice. New York: Macmillan. 19261917.