APA (7th ed.) Citation

(2021). heiUP_OAPEN_PHS-121_book.pdf. Heidelberg University Publishing (heiUP).

Chicago Style (17th ed.) Citation

HeiUP_OAPEN_PHS-121_book.pdf. Heidelberg University Publishing (heiUP), 2021.

MLA (8th ed.) Citation

HeiUP_OAPEN_PHS-121_book.pdf. Heidelberg University Publishing (heiUP), 2021.

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