APA

Halpern M., . (2002). Exploring Tide Pools. Washinghton: National Geographic School Publishing.

Chicago

Halpern Monica, . 2002. Exploring Tide Pools. Washinghton: National Geographic School Publishing.

Harvard

Halpern M., . (2002). Exploring Tide Pools. Washinghton: National Geographic School Publishing.

MLA

Halpern Monica, . Exploring Tide Pools. Washinghton: National Geographic School Publishing. 2002.