APA (7th ed.) Citation

Mattick, F. (1949). Die Flechten Spitzbergens. Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research.

Chicago Style (17th ed.) Citation

Mattick, F. Die Flechten Spitzbergens. Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 1949.

MLA (9th ed.) Citation

Mattick, F. Die Flechten Spitzbergens. Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 1949.

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