APA

Walser F., . (1948). The art of conference. New York: Harpers and Brothers.

Chicago

Walser Frank, . 1948. The art of conference. New York: Harpers and Brothers.

Harvard

Walser F., . (1948). The art of conference. New York: Harpers and Brothers.

MLA

Walser Frank, . The art of conference. New York: Harpers and Brothers. 1948.