APA (7th ed.) Citation

Gregory, R. W. (1983). Anniversaries and holidays (4. ed.). American Library Assoc.

Chicago Style (17th ed.) Citation

Gregory, Ruth W. Anniversaries and Holidays. 4. ed. Chicago: American Library Assoc, 1983.

MLA (9th ed.) Citation

Gregory, Ruth W. Anniversaries and Holidays. 4. ed. American Library Assoc, 1983.