APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.