APA

Prochnow H. V., . (1952). 1001 ways to improve your conversation & speeches. New York: Harper and Brothers.

Chicago

Prochnow Herbert Victor, . 1952. 1001 ways to improve your conversation & speeches. New York: Harper and Brothers.

Harvard

Prochnow H. V., . (1952). 1001 ways to improve your conversation & speeches. New York: Harper and Brothers.

MLA

Prochnow Herbert Victor, . 1001 ways to improve your conversation & speeches. New York: Harper and Brothers. 1952.