赫费 (Hoffe, O., & 靳慧明 (女，. (2021). 优雅变老的艺术. 社会科学文献出版社.
Chicago Style (17th ed.) Citation赫费 (Hoffe, Otfried, and 靳慧明 (女，. 优雅变老的艺术. 社会科学文献出版社, 2021.
MLA (8th ed.) Citation赫费 (Hoffe, Otfried, and 靳慧明 (女，. 优雅变老的艺术. 社会科学文献出版社, 2021.
Warning: These citations may not always be 100% accurate.