APA (7e ed.) Bronvermelding

Pearson, H. C., & Kirchwey, M. F. (1921). Essentials of English: Lower grades. American Book Co.

Chicago (17e ed.) Bronvermelding

Pearson, Henry Carr, en Mary Frederika Kirchwey. Essentials of English: Lower Grades. New York, Cincinnati [etc.]: American Book Co, 1921.

MLA (8e ed.) Bronvermelding

Pearson, Henry Carr, en Mary Frederika Kirchwey. Essentials of English: Lower Grades. American Book Co, 1921.