APA (7th ed.) Citation

Wirth, B. (1984). Backpacking in the 80s. Parker Publ.

Chicago Style (17th ed.) Citation

Wirth, Bob. Backpacking in the 80s. Parker Publ, 1984.

MLA (8th ed.) Citation

Wirth, Bob. Backpacking in the 80s. Parker Publ, 1984.

Warning: These citations may not always be 100% accurate.