APA

Richberg D. R., . (1939). Donald R. Richberg's story: The Mexican Oil Seizure. New York: Arrow Press, Inc.

Chicago

Richberg Donald Randall, . 1939. Donald R. Richberg's story: The Mexican Oil Seizure. New York: Arrow Press, Inc.

Harvard

Richberg D. R., . (1939). Donald R. Richberg's story: The Mexican Oil Seizure. New York: Arrow Press, Inc.

MLA

Richberg Donald Randall, . Donald R. Richberg's story: The Mexican Oil Seizure. New York: Arrow Press, Inc. 1939.