APA引文

Lawson, F. M., & Lawson, V. K. (1938). Our America, today & yesterday. D.C. Heath.

Chicago Style (17th ed.) Citation

Lawson, Floyd Melvyn, and Verna Kopka Lawson. Our America, Today & Yesterday. New York: D.C. Heath, 1938.

MLA引文

Lawson, Floyd Melvyn, and Verna Kopka Lawson. Our America, Today & Yesterday. D.C. Heath, 1938.