APA (7th ed.) Citation

Ridgway, R., & Ridgway, D. (1990). Preparing for parenthood: A couple's guide. Penguin.

Chicago Style (17th ed.) Citation

Ridgway, Roy, and Dorothea Ridgway. Preparing for Parenthood: A Couple's Guide. London: Penguin, 1990.

MLA (8th ed.) Citation

Ridgway, Roy, and Dorothea Ridgway. Preparing for Parenthood: A Couple's Guide. Penguin, 1990.

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