APA (7th ed.) Citation

Good, M., & Good, P. P. (1979). 20 most asked questions about the Amish and Mennonites. Good Books.

Chicago Style (17th ed.) Citation

Good, Merle, and Phyllis Pellman Good. 20 Most Asked Questions About the Amish and Mennonites. Lancaster, Pa: Good Books, 1979.

MLA (9th ed.) Citation

Good, Merle, and Phyllis Pellman Good. 20 Most Asked Questions About the Amish and Mennonites. Good Books, 1979.