APA aipamena

Geographical Society of Philadelphia. (1898). Bulletin of the Geographical Society of Philadelphia. Geographical Society.

Chicago Style aipamena

Geographical Society of Philadelphia. Bulletin of the Geographical Society of Philadelphia. Philadelphia, Pa.: Geographical Society, 1898.

MLA aipamena

Geographical Society of Philadelphia. Bulletin of the Geographical Society of Philadelphia. Geographical Society, 1898.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.