APA (7th ed.) Citation

Zalk, R. L. (1957). How to be a successful widow. Fleet Pub. Corp..

Chicago Style (17th ed.) Citation

Zalk, R. Louis. How to Be a Successful Widow. New York: Fleet Pub. Corp., 1957.

MLA (9th ed.) Citation

Zalk, R. Louis. How to Be a Successful Widow. Fleet Pub. Corp., 1957.