APA (7th ed.) Citation

Endtmann, K. J., & Hofmann, G. (1991). Die Kiefer (Pinus sylvestris).

Chicago Style (17th ed.) Citation

Endtmann, Klaus J., and Gerhard Hofmann. Die Kiefer (Pinus Sylvestris). Eberswalde-Finow, 1991.

MLA (9th ed.) Citation

Endtmann, Klaus J., and Gerhard Hofmann. Die Kiefer (Pinus Sylvestris). 1991.

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