APA (7th ed.) Citation

Lenkert, E. (2003). Frommer's memorable walks in San Francisco (5th ed.). John Wiley.

Chicago Style (17th ed.) Citation

Lenkert, Erika. Frommer's Memorable Walks in San Francisco. 5th ed. New York: John Wiley, 2003.

MLA (9th ed.) Citation

Lenkert, Erika. Frommer's Memorable Walks in San Francisco. 5th ed. John Wiley, 2003.