APA

Appel D. M., . (1996). A bridge Across Time. Hagerstown, MD: Review and Herald Publishing Association.

Chicago

Appel Dan M, . 1996. A bridge Across Time. Hagerstown, MD: Review and Herald Publishing Association.

Harvard

Appel D. M., . (1996). A bridge Across Time. Hagerstown, MD: Review and Herald Publishing Association.

MLA

Appel Dan M, . A bridge Across Time. Hagerstown, MD: Review and Herald Publishing Association. 1996.