APA (7th ed.) Citation

Gottman, J. (2015). The seven principles for making marriage work: A practical guide from the country's foremost relationship expert.

Chicago Style (17th ed.) Citation

Gottman, John. The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert. 2015.

MLA (8th ed.) Citation

Gottman, John. The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert. 2015.

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