APA Citation

Olsen, O., & Olsen, E. (2010). Fresh air in dark places (1. edition.). Scotland, UK: Witherby Seamanship International.

Chicago Style Citation

Olsen, Olaf, and Erik Olsen. Fresh Air in Dark Places. 1. edition. Scotland, UK: Witherby Seamanship International, 2010.

MLA Citation

Olsen, Olaf, and Erik Olsen. Fresh Air in Dark Places. 1. edition. Scotland, UK: Witherby Seamanship International, 2010.

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