APA

Phinney J., Colker L. & Cosgrove M. (1985). Preschool pedestrian. Silver Spring, MD: Applied Management Scinces, Inc.

Chicago

Phinney J, Colker L and Cosgrove M. 1985. Preschool pedestrian. Silver Spring, MD: Applied Management Scinces, Inc.

Harvard

Phinney J., Colker L. and Cosgrove M. (1985). Preschool pedestrian. Silver Spring, MD: Applied Management Scinces, Inc.

MLA

Phinney J, Colker L and Cosgrove M. Preschool pedestrian. Silver Spring, MD: Applied Management Scinces, Inc. 1985.