APA (7th ed.) Citation

Butterfield, W. H. (1945). Effective personal letters, for business and social occasions. Prentice-Hall.

Chicago Style (17th ed.) Citation

Butterfield, William Henry. Effective Personal Letters, for Business and Social Occasions. New York: Prentice-Hall, 1945.

MLA (9th ed.) Citation

Butterfield, William Henry. Effective Personal Letters, for Business and Social Occasions. Prentice-Hall, 1945.