APA (7th ed.) Citation

Rosengren, J. H. (1972). Outdoor science for the elementary grades. Parker Pub.

Chicago Style (17th ed.) Citation

Rosengren, John H. Outdoor Science for the Elementary Grades. West Nyack, NY: Parker Pub, 1972.

MLA (9th ed.) Citation

Rosengren, John H. Outdoor Science for the Elementary Grades. Parker Pub, 1972.