APA

Paulson R. e., Lawson C. a., . (1960). Laboratory and field studies in biology : a sourcebook for secondary schools. New York: Holt, Rinehart and Winston.

Chicago

Paulson Richard e, Lawson Chester a, . 1960. Laboratory and field studies in biology : a sourcebook for secondary schools. New York: Holt, Rinehart and Winston.

Harvard

Paulson R. e., Lawson C. a., . (1960). Laboratory and field studies in biology : a sourcebook for secondary schools. New York: Holt, Rinehart and Winston.

MLA

Paulson Richard e, Lawson Chester a, . Laboratory and field studies in biology : a sourcebook for secondary schools. New York: Holt, Rinehart and Winston. 1960.