APA (7th ed.) Citation

Van Tol, A. (2010). Orca echoes resource guide. Orca Book Publishers.

Chicago Style (17th ed.) Citation

Van Tol, Alex. Orca Echoes Resource Guide. [Victoria, British Columbia]: Orca Book Publishers, 2010.

MLA (9th ed.) Citation

Van Tol, Alex. Orca Echoes Resource Guide. Orca Book Publishers, 2010.