APA (7th ed.) Citation

Laz, M. (1978). The six levels of a happy marriage. Liguori Publications.

Chicago Style (17th ed.) Citation

Laz, Medard. The Six Levels of a Happy Marriage. Liguori, Mo.: Liguori Publications, 1978.

MLA (8th ed.) Citation

Laz, Medard. The Six Levels of a Happy Marriage. Liguori Publications, 1978.