APA (7th ed.) Zitazioa

Muir, J. Letters to a Friend, Written to Mrs. Ezra S. Carr, 1866-1879.

Chicago Style (17th ed.) Zitazioa

Muir, John. Letters to a Friend, Written to Mrs. Ezra S. Carr, 1866-1879.

MLA (9th ed.) Zitazioa

Muir, John. Letters to a Friend, Written to Mrs. Ezra S. Carr, 1866-1879.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.