APA (7th ed.) Citation

Nicolette Heaton-Harris. (2011). Teenage pregnancy: The essential guide. Need2Know.

Chicago Style (17th ed.) Citation

Nicolette Heaton-Harris. Teenage Pregnancy: The Essential Guide. Peterborough: Need2Know, 2011.

MLA (9th ed.) Citation

Nicolette Heaton-Harris. Teenage Pregnancy: The Essential Guide. Need2Know, 2011.

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