APA

Steinbeck J., Trimarco P., . (2001). The grapes of wrath. Essex (England): Pearson Education.

Chicago

Steinbeck John, Trimarco Paola, . 2001. The grapes of wrath. Essex (England): Pearson Education.

Harvard

Steinbeck J., Trimarco P., . (2001). The grapes of wrath. Essex (England): Pearson Education.

MLA

Steinbeck John, Trimarco Paola, . The grapes of wrath. Essex (England): Pearson Education. 2001.