APA (7th ed.) Citation

Haeckel, E. H. P. A. A visit to Ceylon (3rd American ed.). P. Eckler.

Chicago Style (17th ed.) Citation

Haeckel, Ernst Heinrich Philipp August. A Visit to Ceylon. 3rd American ed. New York: P. Eckler.

MLA (9th ed.) Citation

Haeckel, Ernst Heinrich Philipp August. A Visit to Ceylon. 3rd American ed. P. Eckler.