APA (7th ed.) Citation

Brustkern, P. (1979). Hedera helix - Pollilnation durch Eristalis tenax und Apis mellifera.

Chicago Style (17th ed.) Citation

Brustkern, Paul. Hedera Helix - Pollilnation Durch Eristalis Tenax Und Apis Mellifera. 1979.

MLA (9th ed.) Citation

Brustkern, Paul. Hedera Helix - Pollilnation Durch Eristalis Tenax Und Apis Mellifera. 1979.

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