APA (7e ed.) Bronvermelding

Lefferts, W. (1924). Our country's leaders: And what they did for America. J.B. Lippincott Co..

Chicago (17e ed.) Bronvermelding

Lefferts, Walter. Our Country's Leaders: And What They Did for America. Philadelphia : Chicago [etc.]: J.B. Lippincott Co., 1924.

MLA (8e ed.) Bronvermelding

Lefferts, Walter. Our Country's Leaders: And What They Did for America. J.B. Lippincott Co., 1924.