APA (7th ed.) Citation

Erkens, R. On why we should teach biogeography and the need for a biogeography compendium. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Erkens, Roy. On Why We Should Teach Biogeography and the Need for a Biogeography Compendium. Pensoft Publishers.

MLA (9th ed.) Citation

Erkens, Roy. On Why We Should Teach Biogeography and the Need for a Biogeography Compendium. Pensoft Publishers.

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